Fill out this form to send up to 10 photos at once. You might need to login to a gmail account. You must own the copyright, be the original photographer and allow us the right to post these photos as public domain and royalty-free. Basically, they have to be able to be used by anyone for free for any purpose.
Pictures too large to attach? No problem. Use the Bulk Photo Resizer to get them under the file size requirement.