Tumbler: disabling ODF and PDF

Since XFCE 4.10, Thunar does not display thumbnails for some PDF files. There was a short discussion on LQ started by me, but I did not find a solution. Anyway, it annoys me, so I would prefer to have no thumbnails for PDF files rather than that. Also, I do not like to have thumbnails for ODF files. So, what to do? Read the rest of this entry »