There's no way to "get" listed.
You can suggest a site for review. Editors agree to keep it on their agenda (the unreviewed queues) until someone has reviewed it. But if you expect that merely suggesting a site imposes particular deadlines or priorities or indeed any positive obligation on an editor, you're going to end up disappointed and frustrated.
There are some things that you can do to avoid putting off an editor (which will delay but not prevent a site being listed).
Graphics-intensive sites can load very slowly. Look at a site with both the IE and a real browser on a slow connection. See how long it takes for the navigation to start wriggling. If it's more than about 5 seconds -- you're going to be losing visitors.
Graphics are neat, but make sure that your visitors can choose (quickly!) which graphics they actually want to see.
Also, make sure that you do NOT submit to multiple categories. Find the best category, then stop. The "Importunate Salesman" approach of throwing garbage at every window of the house to make sure someone wakes up, doesn't work. If you read these forums, you'll have seen several cases in the last week that show what can happen when you do your "shotgun spamming" across multiple categories, hoping for quick action. The quick action you are virtually guaranteed to get is "whack-a-mole duplicate deletion", and one of the deleted duplicates may well have been your best hope for a quick review. And once you get into the WAM-target mode, it's hard to get out.
Third: we're information junkies. Give information even on graphics sites. It doesn't have to be profound or prolix: just tell who you are and what you do when you're not using the Dilbert-random-number-generator-process to create corporate mission statements. We don't care whether you are "dedicated to bringing out the inner beauty in all of us by bringing nature into every home!!!!" Just tell us what you like taking pictures of: whether it's flowers, small furry animals, street gang members, or desert sunsets.
Finally, don't ever design to target an ODP listing. Design to target surfers. We can tell who's doing which: the former start off with four strikes and an umpire's warning against them. The latter we love.
