Erasing the white pixels around your render is step one. Don't be afraid of a normal hard eraser as long as you are sure to be careful. A background would be nice, as well. Also stay away from such dark text. This would look fine on a site with a white background, but a dark one messes it up :/
Ah Digimon... I remember those days when Jetix still showed Power Rangers and such. Anyway, to the CnC. Like Roxas said, you need to start erasing all the white pixels around the render. It can be tedious, believe me, I know, but otherwise the tag looks poorly made. The quote is fitting for Impmon though and you've gotten better.
As everyone has said, those white parts around the image don't do much for it. A way to remove it fairly easily is by grabbing the Rectangular Select Tool, and then make a selection over a part of the image with those white parts. Then go Colour - Colour To Alpha and make sure the colour is set to white. Then click Ok and ta-da~ Just make sure your Selection won't remove any of the white you WANT to keep, so the nails might prove to be a bit of a challenge. Just in case you didn't know. As for the actual tag, it's cool. Never watched Digimon but meh. Maybe you should experiment with different fonts instead of using the plain ones all the time, variety is the spice of life.
okay,thanks., that is understandable thanks, i will do that and yea, i can try new fonts Xd since i love digimon so much i will remake it
D'awwwwww Impmon.... Oh the memories <3 Like everyone said- You have to get rid of the white no matter how annoying it may seem. Just try zooming in as much as you can .