My first KDE4 (4.1.96 aka 4.2 RC 1) screenshot:
I've chosen this wallpaper to reflect the current situation outside of this window (please don't say “there's no such thing as ‘outside’”...I know there is! )
PS: No, it's not perfect. Far from it. But it's getting usable.
PPS: Oxygen theme (panel), lancelot launcher (leftmost icon), dirtchamber skin (gkrellm...right).