http://www.deviantart.com/view/20919506/
theres a screenshot
only with nonstep(though i only have the default theme from installer)
remove and redownloaded the theme too
same problem
the pink isnt transparent anymore
and the icons in the taskbar are all black now
what happened

Any chance you running in 16bit color?

Use 32bit...

what version of windows are you using?