photo gallery architecture

It appears that we are set on JCR and then maybe Sling and 
Tuscany.  The RESTful interface is going to be best for direct 
viewing of the photo gallery and then the WS interface will be 
available for whatever anyone wants to use it for (process type 
transactions probably).  What is the design of the JCR repository 
going to be?  What information needs to be collected for each photo?

my quick suggestions:
photo
thumbnail
create date
caption
tags

Angie
photographer