i have tried the Alpha Lite version with Delphi 2010 and TMS Smooth Controls. The problem are the rounded corners of the controls. I have attached a screen shot where you can see the problem. in the background there you see the designtime of delphi 2010, with corners okay. in the front (the wood one) the corners are black.
These corners are not transparent, seems. (Just filled by parent color). For using with skins these corners must have transparency because form can have gradient or texture and corners can have different colors… So, transparency of corners must be implemented in buttons directly (maybe by regions using).