firefly first get a host for your photos
then when you do (you can try it out on one my sig if you want)
right mouse click on the photo bringing up the menu
at the bottem of the menu will be the Propeties,
click on that and when the properties window opens up copy the address(URL)
and paste the URL between
but remove the space at the end between the g and the ]
i hope ive explained it ok