flickr.com Is a good one, they offer 1 tril of space for free and you can also post videos on it as well. Just don't use tiny pic since it is full of adds and may comprise your computer. If you post anything on tumblr or twitter you can always copy the image address too.
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I use https://imgur.com/ mostly now.
Use another photo host, photobucket... decided to implode about 10 months ago.
TS2 Graphics Fix Tutorial]
Photobucket used to be a decent site.. meh, oh well.