Clipping image saved to the clipboard doesn't recognize by gimp as image and crashes Share plasmoid (and Plasma too, as usual). Reproducible: Always Steps to Reproduce: 1. Take some image by Spectacle 2. Save to clipboard 3. Try to paste to Share (KDE 5) or to the GIMP.
This works for me. Arch Linux repo package, 15.12.1 Also works on my master branch.
Marking as RESOLVED-WORKSFORME. If this is broken for more people, feel free to re-open.