I've done it a couple of times. In the past I've used the soda bottle method (if you are not familar with it just let me know).
Presently, I have a small batch in a custom hatcher. It sits inside the aquarium. The aquarium water keeps it warm. It also gets its light from the tank's light. The hatcher hooks up to an air pump to provide circulation and oxygen.
Nutritionally they are pretty useless. The only reason I use them is for newly born fish (hence my name). I wouldn't feed them regularly to adult fish. Although some of the frozen ones are fortified with vitamins which should be a little better for your fish.
I'm too tired to type now, but if you have any more questions on them please let me know.
A tired Fish Fry