Harmony

Well I don't know if this is good or bad but sometimes I actually use freewebs as a image uploader for some images. I just signed up for an account and upload. Well this might not be the best but it worked great for me, I know it isn't right to do that but still.. i don't like free image uploading websites since they usually have a space limit or it takes forever to upload.

cristobal

Images are not very big files, and most people would have their own site to begin with.
Some image upload services have restrictions like delete in 7 days policies

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Harmony

Yes I know, but some people don't have it, like people on neopets, there are millions of users registered, and some of them.. do need a image uploader, for their examples page or for a guild.
Many other people need it .. some people might want to upload their psds or very large files on a image hoster since it will take up a lot of space.

Yes sometimes images are big, if you save it as a png it could be mbs. And not everyone has gbs, some sites have 50mbs. And it would be better not to use it up that fast.

glimmer

I just use imageshack.us, probably the best known reliable service everyone knows.. I'm not sure if they have a limit for the size, but it has to be jpeg or gif. I also use photobucket.com, which lets you create your own account, very useful.