train sit downs like baruzdin?
then practice the basics a lot. juggle with both feet comfortably
once you get the basics mastered then being creative is next. it won't be too hard to make nice combos when you've done that 1st
not a bad 1st sit fs video though. pretty good. nice variety
although, the 360 turn clip... were you trying to fool ppl into thinking it was 2 separate 360 unedited?