You've probably seen flash a lot, but not known. Most of the games on game sites are made in flash, and a lot of things on the internet are run with flash player. It's like illustrator, but it can be also used for animation and coding. I'm using Adobe Flash Cs3 at the moment.
With the first one, I don't think it's the neck that's the problem, I think it's the fact that the head is so big. It isn't in proportion and I didn't realise until it was too late :S. I hope I realise faster when I get more experience...
Thanks by the way