1-For youtube videos:Use mxtube,then with Finder go to var/mobile/media/mxtube then select the videos u want to videoringtone then move to var/mobile/media/screw/ringtones then paste.
2-For ur own:Create it as a mp4 then ssh to var/mobile/media/skrew/ringtones...
how do you edit the sizes though...because now they have to be Finally got this vwallpaper to work properly on 3.0 320x240, which before 3.0 could be anysize and it would autofit. Now they can not even be the same ratio- ex:640X960. THEY MUST BE 320x480.