You will need:

Continue making half-hitches around the hoop. Easy does it. You do not need a hundred of these. Also, You want to keep them loose - quite loose in fact.
When you have made it all the way around the hoop, it will look like this:
You should be consistent with your weaving. For example, if you start by passing the end of the thread from front to back, then that is the way they should all be. When you are done with the second round, it will look like this:
Samples of New Wave dream catchers soon available!