4x4 people tab for sense 2.5
 

Here's a link to a project to get 4x4 quicklinks in people tab for sense 2.5. It's from xda and all credit goes to it's developer.

http://forum.xda-developers.com/showthread.php?t=666165

There are a few different versions of the cab and reportedly it's not working for everyone - so make sure to read the post.

I searched forever for something like this and found this by accident after I had stopped looking.