A bit off topic, but here's a Batgirl pinup I did to try to work past some artist's block. The costume is based on a design by artist Mike Maihack blending the Batgirl of Burnside and traditional looks.
Mike Maihack (Comic book artist with a focus on material for younger readers. Creator of Cleopatra in Space. Also does a series of unofficial cartoons featuring Batgirl and Supergirl, which is hilarious):
Patreon: https://www.patreon.com/mikemaihack/about
deviantArt: https://www.deviantart.com/mikemaihack
Facebook: https://www.facebook.com/MikeMaihackArt
Instagram: https://www.instagram.com/mikemaihack/