Those look really good! Nice job!
A really good way to get a tight wrapping is to use a pencil to take the pressure off your fingers. Tie the wire around the wood and pull it as you spin the piece.
Another way to see smaller details easily is to work in the sunlight. For some reason, the sun works much better than artificial lighting.
Knitting needles will help you get clean consistent spirals. See if you can drill a hole in the needles.
Curved, straight, and round pilers help a bunch when trying to get tight curves.
Try a couple craft stores and find a wire end rounding tool It's basically a tiny dome on a stick that sands away the points of your wire and removes the stabby bits.