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To post a spiny head just get a program called GIMP 2, import the image using the "Open" button then click "Filter" then "Animation" Then find spinning globe animation, adjust how many frames you want, the more frames the slower it will run. Then just Save it as a GIF and click for it to save as a animation.
Here's a animators tip, put 250 frames and when you see that "stop on every 100 miliseconds" increase it to more, at least 500 and your animation will be fast enough to keep the costumer watching, but slow enough to be smooth and stylish, I could have gotten the values wrong experiment for yourself.
Now start selling for TCs or you'll put the rest of us out of work and thats not very nice of you.