I don't use Leech Seed, since in my experience it's just a waste of a turn
Surf! Forgot about it. Yeah, that's a must.
Flamethrower's there for Daruma Mode.
A little iffy on getting rid of Thunderbolt, and I hate Thrash on general principle.
I usually reserve Focus Blast for a Pokemon that can take full advantage of it, like a Fighting-type. But we'll see what happens when it gets down to brass tracks.