It may be better for you to post your questions in the thread you obtained the cabs from... No one would know better than the person who created them...
Also, you may wanna check out brent372's website... Has alot of great slider options... for stock TF3D or Sense....
http://www.forum.ppcgeeks.com/showthread.php?t=103098
Here's a direct link to the webpage with TF3D Icons and sliders...
http://tp2.bfgreenberg.com/tf3d_tmp.htm
Hope this helps...