Images needs bandwidth and using lots of them crate problems when you host a site in a home server.
By using this how to for [[DropBox]https://www.digitalocean.com/community/tutorials/how-to-install-dropbox-client-as-a-service-on-centos-7 headless Dropbox Client] at the end you have a share in your network \\hda.yourdomain\Dropbox\.
There is a [[WordPress]] plugin available called [[http://wordpress.org/extend/plugins/dropbox-sync/ Dropbox]]. This plugin will allow you to remotely host your images on dropbox. This will improve loading times and decrease bandwidth useage on your server!