Dale, IA novice and Sprue One--thanks guys, I appreciate the 'S! Thank you!
dupes and SMJ--I actually disagree with the need to "plan" the dots and the oil dispersion--this is "over-thinking" it, in my opinion. (what???--SMJ over-thinking a weathering step??? )
Seriously, here's a shot of mine right before I commenced the messin'. ALL of these colors are going to just be randomly swept into a harmonious glaze of the most subtle filters; you DON'T want to have any kind of approach that "plans" any color variations with anything approaching a predictable result or a methodical application of one specific shade over a particular base color, because you're really defeating the whole purpose of the "random yet all-encompassing" chromaticism of color filters.
Also, SMJ,--you're really rather defeating the purpose and intent of this method by applying similar colors over similar base colors--green over green, browns over browns, etc--you should be putting blues, red, orange, white, yellow--PRIMARY colors, not necessarily complex purples or subtle green-over-green. The red and blue will give you subtle purple shades, and the other colors provide subtle, almost-imperceptible tints over the base coat that provide the depth; simply altering the base with like-colors is missing the objective here.