I've had a couple images uploaded to my wiki that are so big, it seems they make my
thumbnail program crash. If you just display them on a wiki page as is, it's fine,
but if you try to |thumb them, the page won't load and give a blank white screen.
Similarly, if you try to go to the image's page to upload a new version, you get the
white page again (because of the automatic thumbnail created for each version of the
1) Is there any way to delete these files without going to their own page?
2) Is there a way to set a file upload size limit to avoid this in the future?