Your iphone/ipodtouch will need to be jailbroken with 2.1 or 2.2 firmware. You must have cydia installed.
Through cydia to allow you to play cracked ipas you will need to install mipatch (mobile installation patch) Instructions are below...
hope this helps you guys that are a bit behind and struggleing.
> To add a new source through cydia (To install Mipatch).....
Add cydia.hackulo.us in sources (cydia) then save .....
now you can search for the mipatch file to allow you to play cracked ipas on your iphone / ipod touch.
This only works for 2.1 and 2.2 firmware. Its easier then the old ssh method (FOR PIECE OF MIND INSTALL A FREE APPLICATION OFF ITUNES BEFOIRE SYNCING A CRACKED APP)
Then just add file to itunes library, just double click on the app, it should load to itunes and then just sync it with your device