Milovana.com

Here are some:

http://xhamster.com/movies/4480465/you_ ... ed.html?pb

http://xhamster.com/movies/5123950/i_do ... _stop.html

http://hotclips24.com/video/jenna-haze- ... aign=pbweb

http://www.extremetube.com/video/heathe ... aign=PBWeb

Try searching for Jerk Off Encouragement (JOE) rather than JOI, they tend to be a bit less commanding and a bit more sweet

JOI has a habit of humiliation tis true, so instead of searching jerk-off-instructions try jerk-off-encouragment (JOE)

These were much more predominant when JOI's were starting out and hadn't been fully acronym'd, so plenty around under both full name and shorthand...

Have fun!