[Doitsu]

Is there any way to take a screen capture on a jailbroken PW2 using gestures instead of tapping two opposite corners?

I like the swipe method used by KOReader. Would it be possible to run whatever tool they use via a shell script or create a custom shell script that will wait for a couple of seconds and then takes a screen capture. (This would be helpful for taking screen captures of a modal dialog box.)