Make sure you're logged in to Echoleft before trying to do this.
Find the memorial you want to contribute to.
Click "Contribute Photos". This button is opposite the "Photos" title.
Click "Choose A Photo". Make sure the photo you would like to upload is on the device you are using.
Once opened, click "Yes, upload it."
If you're happy with this process you can upload another photo. The photos you contribute will be sent to the users who manage the page to review.