make xbmc start up inside specific video folder

Hi

I dont know if this i the right place to put this thread, but here goes...

i have set up xbmcbunto in my 4 year old daughters room. and of cause she is not the most experienced "remote control / computer / television" user. so I would like to keep thing as simple as possible for her.
I currently use the aeon nox theme and would preferable continue with that.
I have added a new source with cartoon movies under "videos" the source points to a folder on a server where all my media files are hosted.

here comes my question.
Is it possible to make xbmc start up, inside that folder every time we boot the system. If it possible. -How do I do it?