Solved my own problem. Went to Pinnacle and downloaded
ftp://ftp.pinnaclesys.de/driver/pc/pctv/Pclepim1.exe
and then all was well.

Todd Mancini wrote:
>>While 99% of my work is all DV based, I do have some
video
>>which I have captured off of broadcast television with my
>>Pinnacle Systems PCTV. This TV tuner card creates AVI
>>files, apparently encoded in PIM1 or PCLEPIM1 format -- a
>>Pinnacle proprietary format. However, being AVI files,
>>Windows Media Player 7 has no problems playing back these
>>files.
>>
>>However, Vega Video 2.0b will only recognize the audio
>>portion of these files -- is there a way to let Vegas
know
>>that these are VIDEO and audio files, and then let the
>>codecs "do their thing?" I thought Vegas could handle
any
>>well-formed AVI file (and since WMP7 can handle the file,
I
>>assume the codecs are properly registered).
>>
>>Am I missing some important step, or is there a good
>>explanation why this does work? (And any recommended
work
>>arounds -- perhaps some other program that can convert
>>these AVIs into a different format?)