Don’t know about this program, but I use this on OS X Safari: http://www.verticalforest.com/youtube5-extension/ http://www.verticalforest.com/youtube5-extensio

Don’t know about this program, but I use this on OS X Safari: http://www.verticalforest.com/youtube5-extension/ http://www.verticalforest.com/youtube5-extension/ Helped to get rid of Flash, although I have Chrome in my programs folder for sites that are still flash only.