It seems that the comment plugin of WordPress Jetpack is broken. At least no comments were possible on this site since yesterday (timeout in browser after submitting the comment). Although I not yet have an idea how to fix it,
WordPress: Paste Pictures From Clipboard
I really missed the feature of just pasting an image (e.g. made with a screenshot tool) into the WordPress editor. I know found a small tool which almost does that. It is called PicturePaste. And it just adds one additional