I managed to convert my mountain bike to tubeless a few years ago by following this YouTube video:
http://www.youtube.com/watch?v=WRM7gq1fcoQ
I’m not sure how it will work with a cyclocross tire/wheel. Like many cross bikes, I’m running a road wheel with cross sized tires which are wider than what rim is rated for. I worry that the extra width of the tube on the inside of the bead in combination with the fact that the tube is squishy might make the tire more likely roll off the wheel. Has anyone had success setting up cross tires on road wheels this way?