First time Shooting in a nightclub

Well i finally got to shoot in a nightclub and here are my results. Please comment on the pictures any and all criticism is welcome thank you. Its a small nightclub in Orange County, CA, ive added my homemade logo & the logo for the nightclub. Also how do i copyright the images in case someone uses them for a magazine or something with out my approval? i also have more pictures on my flickr pagehttp://www.flickr.com/​photos/44982886@N04/

You should register them with the us copyright office if you are concerned about someone else using them. You own the copyright without this but as I understand US law by registering them you can claim more damages should this happen. Here is the how to register page from the us copyright website.

ssim wrote in post #9158697
You should register them with the us copyright office if you are concerned about someone else using them. You own the copyright without this but as I understand US law by registering them you can claim more damages should this happen. Here is the how to register page from the us copyright website.

thank you for the info