Extract animated gif from MS Powerpoint for mac

You may all have noticed by now that the save as web page is not an option on Power point for mac 2011, so there is no easy way to extract animated Gifs from power point presentations, one way is to add .Zip after .pptx at the end of the file then open it as a zip file, you will find a lot of folders, you will find the images in a folder named media, do some search till you find the needed file, and thats it :)