[CoLoCo] Screenshot of open panels?

[Wirt]

Andrew wrote:
> Hey, does anyone know how to take a screenshot when the panel is open 
> and you're browsing the >System tab or something?
>
> It doesn't seem to let you take screenshots when it's like that.
Weird, won't do it here either -- funky but works:

Alt-F2 or terminal > `sleep 3 && gnome-screenshot'  > open menu and wait

or `gnome-screenshot --interactive' and set delay in GUI.   Must be a 
better way. ?Make a video?