Please create a login first to keep track of your contributions.
Don't be afraid editing a page. Admins are around to correct possible mistakes.
If you have questions about the wiki or editing, you can ask them to an administrator. They'll be happy to help you!
If you have a comment or a question about an article, feel free to bring up on the article's comments section (click on the comments button to take you to the designated section). Other users will try to respond as soon as possible.
Please note not to upload strongly edited photos to the articles. Feel free to upload them to your userpage though.