I like the first one, Haydn, good job. I think the second one looks unexposed - when doing panoramas, take more pictures - it just looks like a single shot at the moment. Panorama's are to showcase what you can't in one shot. For a stitching program, I'd suggest Microsoft ICE or Autopano Pro. 3rd shot seems to be out of focus - nice colors, just need to use a tripod for night shots ;)