Write your message in Quick Reply at base of page...send
Now you will see "add attachment"...click on that and Broze for your photo...You have to know where your photo is...in a "Picture File...click on that...open the file where your photo is...
click on the photo and it should be bordered...lower right corner you should be able to see "Open"...click on that...and just wait it should appear under your message...takes a few seconds sometimes mins...depending on the speed of your computer.