Using Compact 13Minshell via Compact13ForeverShell Compact13Tools. Run Compact13RegEdit (the version in the tools, not the separate version on Codeplex (Regedit4CE)), set background image file and/or color under
HKLM/Software/Compact13Tools/Shell/Minshell
alt.bmp is in the image as an alternative background image.
Flush HKLM registry tree in 'Regedit.
Restart 'Minshell: Use Compact13Taskmanager or Target Control to kill it:
> gi proc
> kp NN
where NN is the process number of Compact13Minshell ForeverShell will restart it.