Here is a list, with links of some REAL WORLD camouflages that would be nice additions, rather than just more rubber ducks, cats or inevitable weed leafs: : r/CODGhosts
User:Mr. Gepard A1 - Wikimedia Commons
戦闘服 - Wikipedia
Camuflar - frwiki.wiki
Modernisation of Indian Army Infantry, Page 117
upload.wikimedia.org/wikipedia/commons/7/75/M05_co
Digital camouflage, Military Wiki
Військовий камуфляж — Вікіпедія
MultiCam, Military Wiki
Uniforms of the Canadian Forces, Military Wiki
Disruptive coloration