Verified answer

Try downloading a Nintendo DS emulator online. Emulators work great and are easy to record game play on your computer or laptop.

I use this emulator and it is very good and I have had no problems with it whatsoever:

http://www.desmume.com/download.htm

To get games you download ROMS a good site for this is:

http://coolrom.com/roms/nds/

And manycam can record anything on your webcam or computer screen:

http://www.manycam.com/

I hope I helped somewhat. If you do not know how to work the roms into desmume emulator here is a video:

http://www.youtube.com/watch?v=JHWtBzTdytI

you cant on your ds lite. only on dsi s ds lites dont have a camera.