Some of you might be interessted:

http://www.buha.info/projects/exploitme-contest/

Nice
But I think that I can't solve it...
But I will try

Wow, that level05 is a douzy I give up!!!!

I have finished level05 but I stuck at level04 and level06.
I know what to do at level04 but somehow the address always gets overwriten with something a little different than i expected.

tbs

Yeah, at level 04 i got a little help to do it. lol, what does 06 look like?