[Help] Change size of .gif image!

Can someone help me change the size of my avatar, to make it fit with premium!

I know there is online editor's but i want to change it without loosing quality :(!

Could someone tell me how, or help me do it?

Thank you

use [Only registered and activated users can see links. Click Here To Register...]

Thanks, but it's not working for me

you need to download the rar-file,unpack it to desktop-->voila

'closed