I think ImageShack still works in general, even though we're breaking their TOS. If it breaks, you can probably just reload it and try again.
Checking through this thread, I found that CyberMike uses
Fapomatic.com - Free adult friendly image host; the disadvantage there seems to be that you have to download the image to your hard drive, then upload from there.
Checking...
If she's still sledding, it is still OK.
Odd, though; she was much bigger before. So, don't do a direct link, do the thumbnail so that everyone can see the full size after clicking on it.