Hey man sorry to get back to you so late!
Firstly, Goomy definitely using the Front, will make my own back.
I like the Phantump back but it is a bit huge, if you could tweak it a bit to make it smaller, and match the proportions of the original, then that'd be good. Don't make it too small, just make sure the branches are the correct length, then I can resize it myself later
I sent myself back pictures of about 9 Pokémon, will be 10 when I access my Y file. Xerneas, Zygarde, Klefki, Phantump, Trevenant, Fletchling, Dedenne, Inkay and Female Meowstic. Any of those you pre-planned on doing yourself?