Once your photo has been uploaded, you will find that it appears as 'Awaiting approval'. This means that the photo has been sent off to the site Moderators to be approved, checking that it is acceptable to publish on the website.
We advise that approving photos can be take up to 24 hours, but usually this is much quicker. If there has been a problem with what you've uploaded, we'll contact you by sending a message to just explain what went wrong.