Does your camera have AV in?

If not your scuppered.

If it does get one of these

http://cgi.ebay.co.uk/Sony-480-line-...QQcmdZViewItem

I've bought from this seller, good ebayer, just make sure you order the PAL one not a NTSC one

Connecting it is a piece of piss.

Battery pack powers camera (or get a regulator and run off battery) and plug the AV into the camera. Simple as that