Banner Killer
I found some websites that you can get rid of your ads in free webhosts, so I'm going to give you the websites that I found.
Ad killer 1
Ad killer 2
Ad killer 3
This is for Dot.tk:
The friendly people of .tk provide it themselves:
1) Login to your mydot.tk account on dot.tk
2) Click on "Dot TK Linker Promo" under "My Marketing" on the left side of the screen.
3) Click continue at the bottom
4) Select the "no banner" radio button
5) Click continue at the bottom
That's all!