Uhh, pika pika ~_~.
Haha, but seriously. As you said, you're a beginner, which is fine, everyone's a beginner at some point :3. I'd suggest reading some tutorials on basic sig making fundamentals so you have a general idea of where you should be heading because right now it seems you don't really have a guide or any ideas in mind before putting the render in the PSD.
As for tuts
You must be registered for see links
. Read this, dissect it, understand everything you're talking about. Honestly, focus on this tut the most.
You must be registered for see links
. Though I go over some things the tut above doesn't go over (mostly terms)
You must be registered for see links
. Just incase you see a style you like a lot :3.
They're all long reads, but necessary if you truly want to get better at sig making.