Tadaaa!

My first Post here ^^
What should I write? After all i want to make it my Art Blog, so i will go with pictures and stuff.
Yesterday night I finished a new picture, but after posting it on DA it looks blurry. Why?
Does anyone know why my perfectly sharp pic looks blurry after saving as .jpg and posting it on DA?
Geez.....
Here the pic:
Edit: I figured it out, its now sharper :)