Something not by me, for a change. Impy tried her hand at reinking a couple of problematic Errant Story panels a while back. Personally I think the bottom panel actually looks rather nice, but Impy disagrees.
For the life of me I have no idea, what Chell is suppose to be wearing under the Aperture shirt. Some sort of extra long sports bra with a second shirt under it? Ink and brush on sketchbook paper.