Free to use. Made it in about 5 minutes.
<img src="http://imageshack.us/a/img199/3684/k4p.png" border="0" /><img src="http://imageshack.us/a/img18/2237/zup.png" border="0" /><img src="http://imageshack.us/a/img689/295/7trd.png" border="0" /><img src="http://imageshack.us/a/img580/8195/nw5g.png" border="0" />
Just load the four frames into a new animation. Speed 10 looks good.