We've been seeing reports of this problem, however vague, for some time. Bloggers complain of photos that aren't enlargable, or don't respond when you click on them. When you investigate, you find that the complete code, that provides the link to the full size photo, isn't there, or is damaged. Upon further investigation, you find that the Blogger used Post Editor Compose mode to relocate the photo, after uploading it. Additional detail is pretty hard to come by. Identifying click and drag as a causative factor is a revelation, and generally is the limit of the Blogger's observation. Today we have a well written and conducted case study , documenting one instance of the problem. Possibly relevant details: What operating system and browser (name and version please) do you use? Did you clear cache before trying your test? What add-ons do you have in your browser, and which ones were active when you were doing this? (Update 6/8): Blogger tells us that there is a k...
What Blogger won't tell you