Aha! Figured it out. Hmm, this may (or may not) change the way I put AARs together.
@Slaists, yeah, I was initially having the same problem. In your Steam screenshot page, first click on the desired image so it's fully opened...not the thumbnail.
Then right-click on the image and select "Copy Link Address". If you select this option by right-clicking on the thumbnail, it gives you something different and won't work.
Spoiler Alert, click show to read:
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