Froyo's built-in screen capture

[mdoyal1]

how did you manage to do this? all the information i'm getting about rooting requires a lot of work.

Root = Easy as 1,2,3. Read the first post in this thread and you will be good to go
[APP]SuperOneClick v2.1.1 (Finally fixed!) - xda-developers

 

[ajonesma]

it doesnt work for me, but then I am on Gingerbread.

 

[Brian Keen]

This app is not compatible with the Samsung Galaxy S Captivate SGH-I897