Alright, I rolled up my sleeves and made some variants on previous skins to help fill some of the openings in the RPG skins, and I'll start working on some brand-new ones as well.
First: a Grey-armored Dragoon in 2 variants, visor down and visor up.
Visor Down: http://www.planetminecraft.com/skin/dragoon-grey/
Visor Up: http://www.planetminecraft.com/skin/dragoon-grey-visor-up/
Next: Male Elementalist.
http://www.planetminecraft.com/skin/rpg-elementalist-male/
Next: Male Engineer.
http://www.planetminecraft.com/skin/rpg-engineer-male/
and Lastly: Female Ranger
http://www.planetminecraft.com/skin/rpg-ranger-female/
I'll be working on several more skins as I am able. All of my skins can be found in the picture link in my sig.