"if you ever need a copy of your data, members can always request and download their content, including original files, through the Flickr Data section of your settings."
Tried it today. Don't think it will have my comments, but I'd probably have to write a custom thing to fetch those anyway. I have about 6,000 photos on there so I'll see what happens.
"if you ever need a copy of your data, members can always request and download their content, including original files, through the Flickr Data section of your settings."