Greasy Fork is available in English.
Disable link dragging and select text.
< Spätná väzba na Select text inside a link like Opera
Small thumbnails on the right http://www.deviantart.com/art/A-Piece-of-Heaven-357105002
(Clickable only while the page is loading)
Fixed at version 4.0.10.
Thank you very much.
Deviantart bug
With latest version of FF and your script, Deviantart pictures are not clickable.