Is it possible to set a window to be on all desktops? Like having mozilla mail shown no matter what desktop I switch to?

Second, is it possible to make only the programs on the current desktop showup in the taskbar?

Thanks everyone

1) Yes...read your vwm docs
2) Yes...read your task docs

Actually, you should find both in the VWM docs. :P Look for *VWMSticky and VWMHideTasksOnSwitch or something along these lines.