I think it's difficult to use Photoshop to add signature to picture, I mean to make a satisfied one for ourselves. signature. Aleonhar really good at PS.
-->Here is a guide<-- that you might find useful. The Online Image Editor site they use for the tutorial example is the same site that I used to create my signature.
I Googled "glitter name maker" or something and found a website that did all the work. I just had to choose a font style, size and color I wanted. I didn't want the same signature everyone else has. (I'm not a fan of sprites or drawings of mayors.)
I made all of mine in photoshop. I just taught myself how to do it by googling "how to do (insert specific effects) in photoshop" many, many times until I had all the information I needed.
i made other people make the stuff in the spoilers... meanwhile the GIF of Jack Sparrow with the jar of dirt is from someone's signature on here and i thought it was funny so i just put it in mine as well