Now what I really want to do is call the Beeminder app directly or as the second best thing this Shortcut:
And while flickr integrates with a whole bunch of other services, they do not yet have a Shortcuts integration (let alone one for Beeminder of course). So I went ahead and bugged their support about it. They said to submit this as an idea on their ideas.flic.io page and so I did. Only to later discover that this was already suggested last year: