User blog comment:BioChimes/Codex Approved Astartes Chapter Heraldry/@comment-1536954-20140731035412/@comment-33731050-20140731040747

I use Sinndogg's Space Marine Template for all my custom colour schemes. It's brilliant, and has every mark of Power armour (II - VIII) with veriations and seperate power packs. You need Photoshop or GIMP or something similar to use it though.