They were made in paintshop, but then again so are all of mine. So seriously, they could be a lot better. Just work on it. tip: don't use straight textures for bg's. Edit them a bit and add effects. A good effect for a noob sigmaker i used back in the day, any lighting effects r nice.
Well to answer yo question, some people can afford Photoshop, Photoshop is for peopel who want to be serious so y spend 600 bucks on somthing your just gonna use to make sigs, and it can be alot harder.
Its all about personal preference.
Anways, I liek the sigs, althoguh could use more action, kinda plain.
Owa hit it on the head. I use legal software. I don't have money to blow on photoshop. Photoshop is way betetr ( i d/l the trial awhile ago) but it was hard to adjust to it bcuz i know where all the tools in PSP are