Learn a forehand! Not only will it help with those darn lefty holes, but throwing FH allows you to look at the target during your throw instead of turning away. Also, there is nothing like FH to escape nasty lies. And, I think FH shots are a bit easier to "carve" through the woods, maybe because of the decreased rate of spin.
As far as your BH goes, the original post almost makes me think you are trolling. What you are doing is almost the opposite of what you should, at least according to the DGCR consensus. You should be keeping your arm speed, but getting rid of the run-up and some reachback.