That is a great first fly, as others have said maybe shorten the tail abit.
With regards to the Alexandra I feel if the fly was very effective and caught alot of fish then personally I can see little problem with banning it. think about it if this fly was used to catch a hell of alot of fish then if I was the fishery manager or who ever maybe in charge then I would be concerned for the handling of the fish during C&R, eventually some are going to become damaged due to poor handling. Also wheres the fun in always using this one pattern to catch fish, I prefer a challenge and to try new patterns. Just my opinion though. Anyway sorry to go off topic. That is truley a very good first fly you should be proud of yourself :headbang:.