Whenever you upload a public photo to Flickr, a copy will be saved to a folder in Dropbox. Keep in mind that private photo uploads will not work for this Applet.
If
Any new public photo
This Trigger fires every time you upload a new public photo to your Flickr photostream.
Then
Add file from URL
This Action will download a file at a given URL and add it to Dropbox at the path you specify. NOTE: 30 MB file size limit.
Discover more time saving integrations for Dropbox and Flickr