>> Whenever I see a "cool" program, I think that this program is made by a terrible programmer who try to compensate his lack of programming skills by adding silly eyecatchers instead. <<

I have even seen "terrible programmer" who write "Developed by: XXXX" in background wallpaper.

Yes From Developers' View Point you are right.
Adding the wallpaper doesn't mean that our App is not Good. You Right about those "who try to compensate his lack of programming skills by adding silly eyecatchers instead", But not about good ones. If your program is good then Why should not Add to elegance???