Ok for this to work all you need is wifi, and any ssh'ing tool.
1. Open cydia up and find the application you want the .deb of now install it
2. Open up in my case winscp, and navigate to:
3. Voila! There is the deb version of whatever app you just installed.
4. All you have to do now is copy it to your desktop.[/size]
Video (sorry about the quality, this is dpowersash's video):
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