see read me file for tips & other information.
if you choose to reupload your edited gifs to tumblr for other people to use, you must @ me (ORPHEUSED) in the post. otherwise, credit isn't really necessary, as long as you don't pass them off as yours.
if google chrome is blocking your download, please try to download in firefox or go to chrome://settings/syncSetup and disable 'safe browsing'. once you download it, you can re-enable it.