Look under
bonsaiTALK Forum > Misc > Bonsai Propagation
I'm sure you'll find lots of info. This one's particularly helpful.
http://forum.bonsaitalk.com/showthr...9&threadid=1182
Keeping the cuttings covered with clear plastic seems to help. This year, I'm batting a 1000 on my juniper cuttings.
If the branch is thick, you'll want to air layer them.