Your backgrounds are usually nice but the text and render and lighting suck in most of your sigs. Try a grew soft brush on linear dodge and lower the opacity and don't stretch the renders, maybe fix them up in Topaz or Redynamix.
As for the text just use a simple font that looks nice and use...
Friend needed a logo for a project.
The microwave thing is called a personifier and it apparently brings inanimate objects to life.
I used the pentool to make the microwave.