In addition to interior art, Agnes has been working as a cover artist for many IDW titles including My Little Pony, Jem and the Holograms, Transformers, Clue, G.I. Joe, Powerpuff Girls, Samurai Jack, Dexter’s Laboratory, and Littlest Pet Shop series. In addition to her IDW work she has illustrated cover art for many Dynamite Entertainment titles including Boo: World's Cutest Dog, Grumpy Cat, Red Sonja, Li’l Battlestar Galactica, Li’l Ernie, Li’l Bionic Kids, Li’l Red Sonia, and Doodle Jump. Her cover work continues to other companies, illustrating covers for Aspen Comic's new series Kiani, as well as Soulfire, Psycho Bonkers, and Damsels in Excess.  Agnes has also done cover work for Sonic the Hedgehog (Archie Comics) and Unity (Valiant).