It is very easy to do, simply go to 'Manage Photos' in your Members Control Centre. 
Please see our online guide:
http://www.thailovelines.com/HelpSection/uploadingyourphoto.php
We would like to draw your attention to our new photo policy:
http://www.thailovelines.com/HelpSection/photopolicy.php
Remember: to get the best response from your profile include a photograph. Profiles with photographs attract 10 times as many views as those that do not.
If you have any questions or comments please send them to support@thailovelines.com