This is the original skin "SymbiOS.zip"
http://guitarfx.net/gfx_new.JPG
This is the moded skin "SymbiOS.zip"
http://guitarfx.org/skins/gfx_gui_moded.jpg
How to make these changes?
1) Extract controls.bmp from SymbiOS.zip
2) make changes in controls' pictures like you want
3) replace controls.bmp in SymbiOS.zip with your own moded.
This is the example of moded controls.bmp
http://guitarfx.org/skins/controls.bmp
The author of the best moded skin
will receive a full version of the GuitarFX 3.04