For logos, you can try running a contest on a site like worth1000.com (there are other similar sites, but that's the one we used). You get a lot of choices for

For logos, you can try running a contest on a site like worth1000.com (there are other similar sites, but that's the one we used). You get a lot of choices for only a couple hundred bucks, and you can always work with the artist to refine your top choice. edit: didn't see the comment above before I posted.