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Is there a tutorial or guide on doing this?

Has anyone succesfully done this?

There are ways, but its a TOTAL pain on a PPC. Just wait a few more days for the new iFuntastic which will be PPC based and MAY have the ability to install apps.

I recommend keeping an eye on things here. I found is the best resource for the latest news and such:

http://iphonealley.com/forums/forumdisplay.php?f=6

For the latest tutorials, check here often:

http://www.hacktheiphone.com
 
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