please help me to remove the white background

Hi! Can someone edit this icon?

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just remove the white background.. my forum is in a dark theme, so it`s not suitable for it..hope someone can do for me, please?
thank you in advance!!

I removed the background.

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Hope you like it.

Code :

Code:

http://i12.servimg.com/u/f12/13/32/72/06/ball10.gif

thank you master marc and josh!
problem solve!