Adding and Annotating a Picture: Tinderbox & Git
In a multi-user Tinderbox, having a prototype for your own annotations permits you to say things like "I like this", or simply ask a question without having to identify yourself.
Note: In most cases, it is best to store your pictures in the filesystem and link to them from Tinderbox. Git will make it easy for you to package those images together with the Tinderbox file.
If you do wish to show visual information inside your Tinderbox map, here is a screenshot of the diff that results.