Hey there,
I see your inundated with interest!
I have a hack complete up to badge 5, and I intend to complete said hack.
The big focus of my hack is Team Rocket using mutated versions of normal Pokémon. For example, one Team Rocket Admin uses a Venemoth who is Ice / Poison type.
I'd love to have customised sprites for these Pokémon, and then perhaps a new character sprite and overworks.
There'll be about 40 mutant Pokémon in my game if you need an idea of what's involved.
Let me know!
Thanks, Dale