Upload your own pictures preferably, but if you cannot, link -don't paste- from the web. (for an example of liberal linking without copying, see this page )
At the bottom of the article, list some suggestions of additional article topics that could be created to expand the coverage.
See the [User Guide] for specifics on how to use Orthopaedia.
Don't suffer from writer's block! As a surgeon, you are (or should be) a perfectionist, but that's not necessary (or helpful) here. Better to post something, however imperfect, than nothing at all. The community will refine it.