I use a modified bucket dripmethod.
Same as Cake etc mentioned ~2 drips/sec, dump the water. I also keep an airstome bubbling in there, just to reduce any possible stress.
At the end however I scoop the little guys up in a small baggie which I float until temps equalize, then i open the baggie and let them flow out.
My thinking here is the water in the baggie should be fine If I did my acclimation drip long enough, it's better to keep them submerged at all times, and It's good to equalize temps as well as chemistry.
This procedure is probably too anal, but then I like my little rituals
FWIW I'm a newbie at this (not yet 1 year in SW) so any comments are appeciated.