also if you're fine with them ending up in WMV format you can use Windows Movie Maker 2 (for WinXP). just import the clips, put them all in the timeline and Save the movie with whatever settings you want.
basically any video editing program is capable of this.
if they are .avi files now you can use virtualdub to make 1 big avi
if they are .mpg files now you can use tmpgenc to make 1 big mpg
if they are .wmv files now you can use Windows Movie Maker to make 1 big .wmv
cool, thanks. i got it now, exept, i'm trying to figure out how to blur just one tiny section of the clip. like the whole video will still be clear, and just blur my license plate area. any ideas on how? thanks