User blog comment:Cocoteroah/Coloured pages/@comment-9096809-20130527201712

they're being added by a guy called XScar

here is some of them

http://images1.wikia.nocookie.net/__cb20130527102506/hunterxhunter/images/e/e4/Gon_finishing_off_Pitou_HXH_volume_29_colored.png

http://images3.wikia.nocookie.net/hunterxhunter/images/b/b7/Phantom_troupe_in_meteor_city.png