Took me nine minutes to read that o.o (I'm a slow reader D
Well, I don't think I could perform very well with MMD or any 3D-based editing; I've tried Photoshop CS6, CS2, GIMP, and a few other simple 2D editors and I simply do not have the talent [or dedication] to do such things.
Well, I was fairly proficient at doing beginner tasks in GIMP...but that was about a year ago. Anyway...you said to do the frame extraction stuff, y'have to use VDUB? I *hate* VDUB. I use it for recording a few clips from my physical, real-world GameCube and it LAGS, FREEZES, and has so many other problems with it that...just urgh.
I suppose I'll have to do extensive training (months on end) with Photoshop to first get the hang of it and then become proficient enough in simple beginner tasks (beginner for PS is much harder than GIMP in my experience) so that, one day, I will be able to begin work on simple animation.
Thanks for the information, though! I'm going to be sure to save it somewhere, in case you don't mind, so I have some sort of background information (how ever cursory it may be) to the start of a HUGE project.