You must be the creator and owner of the content you are submitting.
Your submission must not be a modified version of someone else's work.
Your submission must not auto-redirect to a new site or open pop-ups. If your submission auto-spawns something to boost stats on another site, your account will be deleted and admins for the target site will be notified.
Your submission must not simply be an ad for your site.
Your submission must not be shovelware made to serve ads or promote your site. If you didn't take personal pride and care in the creation of the content, leave it off NG.
You may not submit photographic images of naked people engaging in sexual activity.
Do not submit illegal photography such as child pornography and bestiality. We WILL contact the FBI!
Your submission must not be racist or downright hateful towards specific groups of people.
You may parody existing movie submissions but you must create your own artwork.
Personal attacks towards other Flash authors will result in deletion.
Your submission must not be a pointless "demo" or "preview" without any redeeming qualities.
Do not submit movies or games made from public .FLA files (such as tutorials).
Do not submit pictures in a slide show format with no interactivity.
Do not submit copyrighted video clips or photographs that you did not create.
Do not submit lame entries with the intent to give users "free blam points."
Do not swap out your original entry with something totally different.
Do not re-submit your entry after it has been BLAMMED without making noticeable improvements.
Your game must not use Angry Birds or Super Mario Bros. characters/sprites. In general you shouldn't be using any sprites you don't own.
Make sure your submission has been properly rated.