[Request]Putting background on this

is my avatar but i want the sythe blue background so it fits in and doesn't have the white background.. i tried paint then bucket fill but that didnt work at all..

I guess if you do it for me i'll pay you or something idk

 

http://www.psdbox.com/wp-content/uploads/2011/01/Windows-logo.png

im guessing you can make it smaller

 

yes that's my avatar, but as you can see my avatar theres white box around it, and i was wondering if anyone knew how to put blue background on it