An Image is worth a thousand one liners.
UPDATE: It truly does work.
UPDATE: It truly does work.
Chrome peeps: often the poor gif performance has to do with the PepperFlash they include with the browser. If you have Flash installed separately, go to chrome://plugins and click "details" to expand all the selections. You should have two Flash entries. Disable the one that's in the chrome directory and leave the other enabled. Then restart the browser. This may help.