I hope HTC would consider quality and need for the skin as more important factors than when it was submitted, i.e., a finely-done 20th FG P-51D skin could leapfrog more poor efforts in the queue, especially if those are for FGs which already have skins in game.
I think the introduction of the early build P-51D (without tail fillet) and coffin-canopy P-51B would reinforce HTC's reputation for accuracy, and would double the available skin slots as well. Currently the excellent P-51B "Shangri-La" and P-51D "Lou IV" skins are portrayed incorrectly on models with noticeable differences from the original.
Also HTC could tighten up the standards for accepting skins? The P-51 queue could probably be thinned out by doing that.
Gotta be a solution somewhere.