how can I get this colouring?

[pancakesfor2]

I was wondering how can I get the colouring on these icons by icons_are_hot



I also would like to know how to get this colouring (sorry I don't know who made it) and the circle effect


I know I'm asking to much but these is the last one :)
Where can I get these texture/brush with these geometric effect? (also by icons_are_hot)


uff :P
I finished :)
-> I'm using photoshop 9
THANKS IN ADVANCE!