another option is camo decals, which eliminates a lot of the work but limits your options to whatever HiQ Parts or others manufacture.
>>5893198fire. melt the end of the plastic stick with a candle until it mushrooms and stick it on the bottom of the part. as long as its not too hot it will stick on as it cools but will snap off when you are finished painting. way simpler than alligator clips and you can use parts of the same kit's runners for paint applications. just watch out for fumes and dont get it too hot or it will ruin everything.