Hmmm... I think the neg space looks secksy. Mainly cause it looks like a starfield... So it is neg space, but it has... A PURPOSE!!!
The white behind toon link is a great contrast to the spaceyness of the left hand side. Brush work is nice to (I really like that film strip for some reason...)
Biggest problem with the tag is....
Toon Link looks like he was just stuck on top of everything for the "lulz factor" (Everyone here seems to have new found obsession or something with him...). Either make him blend with the tag's style and coloring or get a different stock that actually goes with the background.
Don't think I dislike the tag, I think the background is hot (Its very, very nice). I just don't like toon link as the stock.