As you can tell, there is no problem with flooding my submission box with multiple pictures of one player with various dogs. :D
If you want to submit video, all you have to do is go to the submit page and click on “Submit A Photo” at the top of the submission box. A dropdown will appear like so:
The submission form will change to this:
You can now put in the YouTube link or the embed code.
Thanks for the info! I’ll edit the post now.