Imgar.net is a free and fast image hosting, but apart easy to use.
It also has an api so that the programmers can host their images and eliminate it without problem.
You can host Images in img without limit, there is no limit of space or bandwidth.
ideal to host millions of images.
Some Hosting of hosting of Images, It has Limit of Requests and Amount of space that you can lodge and limit of bandwidth, monthly.
But Imgar has no limits, you can use it for free.
Several Famous Pages Use Imgar.
Pages that use Imgar.
weplaytests.com
mugitest.com