I made a new version of CrosspostSharp (https://github.com/libertyernie/CrosspostSharp/releases), my Windows art crossposting app. It can load/save pictures from files (PNG, JPEG, GIF, or its own for...
Although I mirror all my art here (via the api), I don't follow anyone or check notifications. If you wanna get in touch with me, find me at FurAffinity or DeviantArt (lizard-socks on both.)