[–] Fornax 0 points 1 points (+1|-0) ago 

Indeed, that would mean that the server needs to download the file instead of the client uploading it. It has been on my to do list for a while, shouldn't bee too hard.

Thanks for checking out the site! :D

[–] thoughtpolice [S] 0 points 1 points (+1|-0) ago 

Just remember to set the referer to the host where the file is when downloading the file. Maybe also spoof user agent.

imgur accepts drag and drop images from another tab, but usually fails to download it because many servers try to prevent image leeching by checking referer and user agent, or maybe something else instead/in addition to