Well there is SmartPacker which can compress your whole game into 1 executable, probably fairly well protected and compacted with that. Not sure that there are any other options. SmartPacker has just been released, so go looking for a link at the top of this page.
If you are concerned about people hacking your DBPro game, cheating, then I wouldn't be. I've never heard of anyone hacking a DBPro executable, they are quite obfuscated as it is when compiled, just because of the nature of the compiler. It would make for a very complex dissasembly I think.