LG MM-535 Owner's Manual page 104

If you want to include a text message with your picture, use
your keypad to enter a message (or select from Pre-set messages
or Recent Messages) and press . (See "Entering Text" on
page 26.)
Select (left softkey) to send your Sprint PCS Picture Mail.
You can also share your pictures from your phone's Messaging menu.
Press (left softkey ) to access the main menu.
Select ( ).
Select ( ).
Select ( ).
Highlight and press .
Highlight the desired picture and press .
To complete and send the Sprint PCS Picture Mail, follow steps
2-9 in "Sharing Sprint PCS Picture Mail From Review/Share
Mode" on page 93.