I don't use Mozilla myself, so I'm just the messenger here. I've seen several people recommend the <A target="_blank" HREF="http://www.geocities.com/pierceive/adblock/-instructions.txt">Filterset.G
</A> for Mozilla Firefox (http://getfirefox.com/) with Adblock (http://adblock.mozdev.org/) extension:

"The guiding principle behind this filterset is efficiency.
Conservative domain blocking, careful use of Regular Expressions, and a strict stance against false positives
help to avoid the problems faced by other filtersets, from overspecificity to overgeneralization.

The individual (text file) filters can be downloaded from http://www.geocities.com/pierceive/adblock/