Ah cool . Plus since people know you here if someone steals the code they'll already know where it came from if they notice it in action elsewhere. Not that anyone would do that I think here.

As for .tk, just keep in mind that 6 years ago, dot.tk used to have pop-ups and was down half of the time, so if it starts causing problems again you migth want to keep a backup solution in case. X.x

For the record, my bot code are here: http://code.google.com/p/atombot/source/browse/#svn/trunk
I'm writing a bot that is really awesome... but I'll save that for a very near future post/topic.

I trust the community here and Cemetech to not steal code. It's just unethical, and wrong in so many ways.
Of course, outside that.... that's another thing. But I haven't advertised this project at all outside of this community, so
it's very unlikely to have copy cats.

dot.tk recently changed their model, since they realized that a .com/.net/[insert more common TLDs here] is better than their service, and so they've decided to be much more free with their domain names. It's unlikely that they'll change now.

Of course, freedns.afraid.org and co.cc are great alternatives.
If there's money to spend, https://domize.com/ can search out exotic domain names for our use.