Here's a good scale to practice, improves your finger movement. 
Underneath each fret number there is the suggested finger usage
i.e 1 = first finger 2 - index finger and so on. 

E|---------------------5-8-8-5-------------------------|
B|-----------------5-8---------8-5---------------------|
G|-------------5-7-----------------7-5-----------------|
D|---------5-7-------------------------7-5-------------|
A|-----5-7---------------------------------7-5---------|
E|-5-8-----------------------------------------8-6-----|Then follow into below:
   1 4 1 3 1 3 1 3 1 4 1 4 4 1 4 1 3 1 3 1 3 1 4 1

Extension
E|------------------------8-10--10-8---------------------------|
B|-------------------8-10------------10-8----------------------|
G|-------------5-7-9----------------------9-7-5----------------|
D|---------5-7----------------------------------7-5------------|
A|-----5-7------------------------------------------7-5--------|
E|-5-8--------------------------------------------------8-5----|
   1 4 1 3 1 3 1 3 3 1 3  1 3   3  1  3 1 3 3 1 3 1 3 1 4 1