Well the good folks at Leadtek got back to me in no time. Here is their response...
"If you have a card with a Brooktree TV chipset, download TVTool, and if you
have a card with a Chrontel TV chipset, download TVCC2000. Both of these
utilities are available at the following website:http://www.tvtool.de/"
I'll let everyone know the results. Just in case anyone cares.