I now read hostgator do not allow image hosting or file hosting on shared packages.. so which web host allow this how to start with 500GB bandwidth monthly but cheaper option
impossible ... 500GB bandwidth for few dollars without overselling , ask in the hosting section or try to contact kaung from kmkhosting , he allows image hosting sites ,maybe will help you http://www.kmkhost.com/index2.php
Just remember that all these hosting companies who offer 500Gb p/month, usually enforce CPU usage limits. That being, use 25% or more of our system resources for longer then 90 seconds and your site won't work for a specified time period. This is especially the case for blogs, etc that use alot of PHP or high traffic sites, like galleries.. ALWAYS make sure they have a 30day money back offer so if you aren't happy with the service u can leave.. One of the lesson's I learnt the hard way..
iF you were lookIng for a free cheap hoSt which allows you to JUST SEE images....it would be photobucket or imageshack