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Looks alright... May be add some lens flare and smugdes.

1. The edge of the cup is too bright, try applying a Curves adjustament layer (****, I spelled it wrong :p), make it a clipping mask on the cup and lower it down till the cup doesn't look that bright :p
   
   
2. The text is too bulky and hurts my eyes really, try reading You must login or register to view this content. post.
   
   
3. The light orbs are pretty bright too, try toning them down a bit.
   

Also, It's defying a normal signature and it's size is kinda too big, I wouldn't really call it a sig :p

~Vlad.

I wouldn't exactly call it a sig. It is way too big and usaually signatures are larger horizontally then vertically.

It is good for the first. But a tad boring. I would suggest incorporating some C4D/smudging to give it a better effect.