The two popular formats are the STXT xml and the Nubiles Tube Dump (csv)
You can see the nubiles tube format here:
http://tubescript.nubiles.net/sponsors.php
The nubiles tube script supports both XML and dump for syndication.
Examples of XML feeds:
http://www.nubiles.net/webmasters/promo/dumpsmart.php for
www.nubiles.net/webmasters
and
http://www.aniloscash.com/promo/dumpsmart.php for
www.aniloscash.com
smart sponsors makes XML automatically, so if any sponsors are using the smart thumbs system for importing FLVs , please post your XML URL here.