Tweet a link for your photo to @youshow15 and be sure to include the hashtag #ysdaily3
In lieu of an elevator pitch, try to describe your web site in the limited space of a single tweet.
Create a blog post or maybe create an About page on your site that features a description of it that is less than number of characters you can fit into a tweet. That is 140 characters.
Tweet a link to your post/page to @youshow15 and be sure to include the hashtag #ysdaily2