Hello Sandra and welcome to the Community!
I'm not clear on what you're wanting to do here, could you possibly include some insight into how you're using Confluence and why/where you're wanting to include a page as a thumbnail?
It sounds like you're needing steps on how to add a link to an image within a Confluence page. Here are the steps to do this:
(Screenshot of linking an image)
The image should be clickable with the content you linked.
Hello Atlassian's, This post will be a useful and valuable starter guide for new joiners into the team: https://community.atlassian.com/t5/Jira-Cloud-Admins/Atlympics-Jira-Cloud-New-joiner-st...
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