Yeah all traffic is good traffic but it is easy to overpost on a TGP site and some TGP sites are more useless than others.
It's a lot of work but carefull placement and meticulous tracking can make a fair amount of money. I think the real key though is to use a mix of partnership and clickthrough programs.
Original or unique images also tend to get you better placement on TGPs. I have my own content and consistently get placed at the top of the daily lists on a number of big TGPs.
George Mann
http://asianamazons.com