alright, this is the 100% correct bwtbw tab. its sounds perfect.

Billy Corgan = Guitar 1 (lead)
James Iha = Guitar 2 (rhythm)
Eb tuning.

|---------------------------------|
|-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|-2-2-0-2-2-2-2-2-2-2-2-2-0-0-0-0-|
|-----------3-3-0-0-0-0-0---------|

                                x4
|---------------------------------|
|-0-0-0-0-0-0-0-0-0-0-0-0-0-------|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-------|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-------|
|-2-2-2-2-2-2-2-2-2-0-0-0-0-------|
|-------0-0-0-3-3-3---------------|
                        ^start the distortion

CHORUS
 Billy guitar 1                                       x4
|----------3--------0--------0--------0--------3--------|
|----------3--------3--------0--------0--------3--------|
|-4--------0--------2--------2--------0--------0--------|
|-4--------0--------0--------2--------2--------0--------|
|-2--------2-----------------0--------2--------2--------|
|----------3--------------------------0--------3--------|
|James guitar 2                                       x4
|-------------------------------------------------------|
|-------------------------------------------------------|
|----------------6--7--7--------------------------------|
|-9--9--7--5--5--6--7--7--5--7--7--//14-----5-----------|
|-9--9--7--5--5--4--5--5--5--7--7--//14-----5-----------|
|-7--7--5--3--3-----------3--5--5--//12-----3-----------|


Play this right before the 2nd verse
|--------------|
|--------------|
|--------------|
|-4--4--4/7----|
|-4--4--4/7----|
|-2--0--2/5----|


VERSE                        x11
|---------------------------------|
|-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|-2-2-0-2-2-2-2-2-2-2-2-2-0-0-0-0-|
|-----------3-3-0-0-0-0-0---------|

|---------------------------------|
|-0-0-0-0-0-0-0-0-0-0-0-0-0-------|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-------|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-------|
|-2-2-2-2-2-2-2-2-2-0-0-0-0-------|
|-------0-0-0-3-3-3---------------|
                        ^start the distortion
                          
Rhythm
With wah
      x4
|-------|
|-------|
|-(2)h4-|
|-------|
|-------|
|-------|

With clean tone              x3
|------0-----0-------0----------------|
|----0---------0-------0--------------|
|-14-----12------11-------12h14-------|
|-------------------------------12h14-|
|-------------------------------------|
|-------------------------------------|

                                x5
|---------------------------------|
|-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-|
|-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|---------------------------------|
|---------------------------------|
|---------------------------------|


CHORUS 2
 Billy guitar 1                                       x3
|----------3--------0--------0--------0--------3--------|
|----------3--------3--------0--------0--------3--------|
|-4--------0--------2--------2--------0--------0--------|
|-4--------0--------0--------2--------2--------0--------|
|-2--------2-----------------0--------2--------2--------|
|----------3--------------------------0--------3--------|
|James guitar 2                                       x3
|-------------------------------------------------------|
|-------------------------------------------------------|
|----------------6--7--7--------------------------------|
|-9--9--7--5--5--6--7--7--5--7--7--//14-----5--------|
|-9--9--7--5--5--4--5--5--5--7--7--//14-----5--------|
|-7--7--5--3--3-----------3--5--5--//12-----3--------|

 Billy guitar 1
|----------3--------0--------0--------|
|----------3--------3--------0--------|
|-4--------0--------2--------2--------|
|-4--------0--------0--------2--------|
|-2--------2-----------------0--------|
|----------3--------------------------|
|James guitar 2
|-------------------------------------|
|-------------------------------------|
|----------------6--7--7--------------|
|-9--9--7--5--5--6--7--7--5--7--7-----|
|-9--9--7--5--5--4--5--5--5--7--7-----|
|-7--7--5--3--3-----------3--5--5-----|

Before picked part
 Billy guitar 1
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|
|----------4~--------------2~--------------4~--------------6~-----|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7---------|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7---------|
|-4-4-4-7---------2-0-2-5---------4-4-4-7---------2-0-2-5---------|
|James guitar 2
|----------7~--------------5~--------------7~--------------9~-----|
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7---------|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7---------|
|-4-4-4-7---------2-0-2-5---------4-4-4-7---------2-0-2-5---------|

 Billy guitar 1
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|
|----------4~--------------2~--------------4~--------------6~-----|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7---------|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7---------|
|-4-4-4-7---------2-0-2-5---------4-4-4-7---------2-0-2-5---------|
|James guitar 2
|----------7~--------------5~--------------7~--------------9~gb12~-------|
|------------------------------------------------------------------------|
|------------------------------------------------------------------------|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7----------------|
|-6-6-6-9---------4-4-4-7---------6-6-6-9---------4-4-4-7----------------|
|-4-4-4-7---------2-0-2-5---------4-4-4-7---------2-0-2-5----------------|

BRIDGE              x5
|--------------------|
|--------------------|
|--------------------|
|-2--5----4-4-4-7----|
|-2--5----4-4-4-7----|
|-0--3----2-0-2-5----|

|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-2--5----4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|-2--5----4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|
|-0--3----2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|

Billy guitar 1 Picked part x2
|------------------------------------------------|
|-----0-------3-------3-------0-------0------0---|
|-------0-------0---2---0-------0--------------0-|
|---4-------0-----0---------2--------------0-----|
|-2-----------------------0---------2------------|
|---------3-----------------------0-----3--------|

|-----0-------0-------0-------0------------------|
|-----0-------3-------3-------0-------0------0---|
|-------0-------0---2---0-------0--------------0-|
|---4-------0-----0---------2--------------0-----|
|-2-----------------------0---------2------------|
|---------3-----------------------0-----3--------|

|-----0-------0-------0-------0---|
|-----0-------3-------3-------0---|
|-------0-------0---2---0-------0-|
|---4-------0-----0---------2-----|
|-2-----------------------0-------|
|---------3-----------------------|

Rhythm
|-----0-------0-------0--------------------|
|-------0-------0-------0------------------|
|-14------12------11------12p11-9--7/9-----|
|------------------------------------------|
|------------------------------------------|
|------------------------------------------|

|-----0-------0-------0-------------|
|-------0-------0-------0-----------|
|-14------12------11------12p11-9---|
|-----------------------------------|
|-----------------------------------|
|-----------------------------------|

 Billy guitar 1
|--------3-------|
|--------3-------|
|--------0-------|
|-//14---0-------|
|-//14---2-------|
|-//12---3-------|
|James guitar 2
|----------------|
|----------------|
|----------------|
|-//14---5-------|
|-//14---5-------|
|-//12---3-------|

CHORUS 4/OUTRO
 Billy guitar 1                     x12
|----------3--------0--------0--------|
|----------3--------3--------0--------|
|-4--------0--------2--------2--------|
|-4--------0--------0--------2--------|
|-2--------2-----------------0--------|
|----------3--------------------------|
|James guitar 2                     x4
|----------------------------------------|
|----------------------------------------|
|-------------------6--7--7--------------|
|-9--9--7--5--5--5--6--7--7--5--7--7--8--|
|-9--9--7--5--5--5--4--5--5--5--7--7--8--|
|-7--7--5--3--3--3-----------3--5--5--6--|

Rhythm guitar 2 (wah)                x4
|--------------------------------------|
|--------------------------------------|
|-2h4--4p2--2h4--4p2--2h4-4b6rb6r4--2--|
|--------------------------------------|
|--------------------------------------|
|--------------------------------------|

                                     x2
|-------------------------------------------------|
|-------------------------------------------------|
|-14h16-16p14-14h16-16p14-14h16-16b18rb18r16--14--|
|-------------------------------------------------|
|-------------------------------------------------|
|-------------------------------------------------|

|-------------------------------------------------------------------------|
|-------------------------------------------------------------------------|
|-14h16-16p14-1412-1211-11/12-12-11-11-9-9-7-11-9-9/11-9-7-7-6-7-6-6-4-2--|
|-------------------------------------------------------------------------|
|-------------------------------------------------------------------------|
|-------------------------------------------------------------------------|

End on
 Billy guitar 1
|-------------------------|
|-------------------------|
|-------------------------|
|-2----------5------4\\-|
|-2----------5------4\\-|
|-0----------3------2\\-|
|James guitar 2 (wah)
|-------------------------|
|-10b12r10p8--------7~~~~-|
|------------9~~~~--------|
|-------------------------|
|-------------------------|

there you have it. the smashing pumpkins best known song.