Galaxy GT-I5500 Clockwork Mod + Cyanogen Mod 7

First go to Standard Recovery Mode...For help see the image....

Then open Odin and plug your phone...you will see something like this...

And do this....

1) Load Ops
2) Open Package
3) Load Open Package
4) Start
5) After 5:08 Minutes you will see pass and your phone should be in Clockwork Mod...

In Clockwork Mod you will use Volume Up & Volume Down to Navigate and the Middle Button to Enter Menu

Download Links:
Odin+Ops+Package
http://www.mediafire.com/?wjows3sxhuyagw9

Cyanogen Mod 7+gapps
http://www.mediafire.com/?kts4f7c1bs6857t