San Diego Comic-Con 2011 poster◊
As a popular series with a clear art style, MLP:FiM is often suggested for page images. It currently provides the page image for:
...and possibly others.
It also formerly provided images for some pages, but other images were deemed to get the point of the tropes in question across better. Those pages and their previous images (and their respective captions if they had any) are:
It also provides the image caption for Casper the Friendly Ghost
, and formerly provided the image caption for Jerk with a Heart of Gold
("You are going to LOVE ME!!!!").