The Great Big Photo Guide has a little how to for uploading, a guide for resizing/formatting photos, and the photo rules.
You can practice uploading, resizing, and formatting photos here in the sandbox 
(Don’t forget, we’re only allowed to post LH pictures outside of the Your Photos category)
All images apart from YouTube clips and Lovehoney website images must be posted to a topic in Your Photos for moderator approval before going live on the site.