Tried to search but got "How do you like us?" Forced to answer, so here it is.

Perfect one for removing ads!

It actually works and works extremely well! Update: Ok, here it is a year later and I have nothing to complain about at all! I've not had one issue with AdBlocker Ultimate. In fact it works so well that I normally don't even think about it! I can't imagine watching youtube without it! I never, ever see commercials on youtube, Period!

best block adds for Firefox

excellent