I don't mean to be lazy, and I will be happy to repeat my propagation stories, but they are all here. There are also many other people's propagation techniques here too.
The search feature --- use the search feature. You will find many posts about propagating Drosera if you just use the search button at the top of this page. It may be a little tricky at first, it was for me, but just play with it awhile and once you are comfortable with it, it is just a matter of finding the right word or words to use in order to track down the historical posts you are interested in.