In Bart Simpson #12 On page 16 homer has glasses insanly put on him from images 5-6 on page 16

On page 5 of #12 in images 5-6 Maggie is not holding a sword as she is in image 5

Also on pages4-5 of #12 Santa-choo has no spot on his right cheek

On page 10 lisa's right foot, left gant and Right gant have white diamands on image 2(middle image)
However in image 3 she does not have them on.

if toi want to reply there is a reply piece in the forum of the simpson comics
it includes if toi want to add changes in #12 ou other SIMPSONS COMICS(including Simpsons classics,Lisa comics ect.)