any cheap ppc to advertise site?

Hallo, everyone!
Can anyone help by saying name of cheap ppc advertisng?
As i know obeus start frm 1 cent per click to advertise site.
Any others?
Than you!
I very appreciate yor answers, guys!!
bw: i know f course – cheap means les results, but still… for sterters with limited budget it could be helpfull. Obeus was helpfull to me few times even if it is cheap.

See original post by stinker