You can find Cloud Spot LR plugin on our website here: http://cloudspot.io/download
On the bottom left of the page you'll see the plugin listed there.

For more info and a walkthrough of CloudSpot's Lightroom plugin, check out our tutorial here!
Other Help Center Articles:
How Do I Add Images to an Existing Folder?
If I enable watermarking in a gallery, will prints ordered from that gallery be watermarked as well?
I Need More Storage - How Do I Upgrade?