Creating image resource packs

Hi,

I’ve tried googling etc. but nothing seemed to present how you do this?

I’d like to look into moving some image packs out of skin into resource packs, for packs that exist like studios I know I can do a PR with ones I have that are not in the pack etc. but what is the process for creating something like movie genre packs for white / colored that are skin specific. I see various skin packs aleady in the image resource selector.

Anyone point me in the right direction please?

Thanks

Mike.