To install an STM browser skin:
windows

1) go to www.hotbar.com and
download hotbar.

2) now right click on one 
of the STM skins located below:

and save it to the HotBar folder
located on your computer:

C:\Program Files\Hotbar

3) click on the "skins"
icon located on your new
hotbar browser and go to
"my private collection" and
click on the skin you want

4) enjoy your new STM
browser skin!!!

you can create skins of your own, just make them 800 x 135 pixels
and save them as bitmap images in your HotBar directory.