Taking a look now, gen 5 being black and white/bw2, doesn't look entirely too difficult or different than gen 4, so yeah I could do gen 5 style overworlds. : >
Hello there. I am a sprite artist, and I am opening commissions. : >
What I can do: I can pretty much do what ever you need for a pokemon-like game. I believe the only thing I would not accept comms for, are tilesets, as they are a lot of work and I don't know if I can put in that time...
Honestly, I'd like to hear more about the project before I decide if I want to help or not, but this project does line up with a side project of mine. So if the work crosses over, I can help with some art. I'll post some examples of my work here, though most of it is Digimon Adventure stuff...