steps to add a picture into an event:
1) grab a picture from your local storage OR
2) take a picture with your built in camera OR
3) find a picture on the internet and COPY it
then
4) post the picture onto the event line
Once a picture is posted, it should automatically be saved. If another picture is posted, it will be a 'replace' / save'
LONG-TERM GOAL: a tagging system to build an image and task-analysis library for all users