Gallery.

[Araz]

Some of mine vertical signatures:

 

Some of mine horizontal signatures:

 

 

OP: I suck at text replacements.

 

 

 

[Salmonella]

I love the wolverine and the sonic signature, keep up the good work =]

[Aloha]

You just need to work on your lightning skills.

[Eminem]

How long have you been doing graphics?

[Ely]

I personally really like these. 

[Rusko]

All of these pieces are lacking depth compo and lighting. Your text also needs work, remember to use the rule of thirds.