Cloudinary is a pretty standard cloud host that offers free image hosting.
Using Cloudinary you need to provide an API key and API secret while using Zoop. See below for details on creating an account and the key.
If you already have an account and just need to generate an API key, skip to step 3
API Key
at the top of the screenCloud name
at the top of the screen. Enter this into the Zoop Cloudinary dialogGenerate New API Key