I have been compiling a list of these patterns which can be found on the internet. Although it's difficult to locate the patterns during standard internet searches, I have been able to find a LOT! In fact, once I got going, it was surprising how many I found! Please feel free to browse the following:

http://www.crochetkim.com/tunisianpatterns.html

There are currently seven pages. Please feel free to post in this topic if you discover something I missed.