Hi!
I get error IMAGE_ERROR_FAILED_TO_DOWNLOAD on valid URLs like http://content.freelancehunt.com/avatar/225/b56d5/74c21/55239/Ricks90.png.
However, those work fine in the browser and via curl:

HTTP/1.1 200 OK
Accept-Ranges: bytes
CF-Cache-Status: HIT
CF-RAY: 14c0f23ac161047f-FRA
Cache-Control: public, max-age=28800
Connection: keep-alive
Content-Length: 67916
Content-Type: image/png
Date: Fri, 18 Jul 2014 19:04:38 GMT
ETag: "347e738c5b1e245ff372ff076be6cff6"
Expires: Sat, 19 Jul 2014 03:04:38 GMT
Last-Modified: Mon, 02 Jun 2014 10:12:04 GMT
Server: cloudflare-nginx
Set-Cookie: __cfduid=d066fda9d079095711696bc0cbdde05ed1405710278841; expires=Mon, 23-Dec-2019 23:50:00 GMT; path=/; domain=.freelancehunt.com; HttpOnly
Vary: Accept-Encoding