Can't see image

Hey I'm trying to make this image that I tracked 3d in fusion but when i drag the Nerge 3d1 node into the left viewer I don't see the image. I'm not very familiar with Fusion, is my node tree wrong?

There should always be a link to the yellow input (Background) of the Merge node. You have linked to the green input (Foreground) in Merge1.
Also, you don't need the two merges (Merge1 and Merge2) that are there . Merges are for putting two images together.
When starting out, I always recommend using the free resources of the Training page at Blackmagic:
Either the Video:
https://www.blackmagicdesign.com/produc ... o%20Fusion
or the more comprehensive PDF book training:
https://www.blackmagicdesign.com/produc ... solve%2018

Also useful are the many YouTubers who specialize in Fusion:
https://www.youtube.com/results?search_ ... +beginners