I talked about it on my Twitter account and it’s done. My Cydia repo is online. You’ll find all my packages on it and maybe some packages of others developers who contact me to upload their tweaks.
For the moment, there’s only one “theme”, it just changes the color of your icon labels, and another package for the repo icons. Some others will be added, I just need time to learn Objective-C and making iPhone tweaks :).
Feel free to add it to your sources:
If you have any problem with it, don’t hesitate to contact me.