The best places to find photos of all kinds is to look on sites like shutterstock which carry stock photos that can be purchased for a fee depending on usage and coverage.
Im pretty sure they do sell it at walmart but you might need tocheck with your dentist before using it
The company Invisalign has a website that offers all the information you need. They detail the procedure, the cost involved, and where you can have it done.
One can find photos of people dancing on many free stockpiled photo sharing websites across the web such as Photobucket, iStockPhoto, and websites like these. Remember to follow the Creative Commons licensing that may accompany the usage of some of these photos.
Braces look like a little square metal peice on your teeth and connects them is a round metal part.
You can find before and after photos at www.obesityhelp.com, http://www.laparoscopicsurgeon-online.com/, or http://www.ready4achange.com/gastric-bypass-success-stories.
Your invisalign are working if your teeth are moving and each set fits properly. If you find that you are developing gaps in between your trays and teeth you may be off track.
Before and after photos of breast reconstruction surgery can be found on the Breast Cancer Organization's website. The American Society of Plastic Surgeons website has many photos one can view as well.
Before and after rhinoplasty photos can be obtained from places like RealSelf's web site. Also can be seen on Youtube for a more intense close up look to the after effects of rhinoplasty.
You can find photos of this at just about any bypass surgery website. The clinic that you are going to get the procedure done through should have a book for you to look through as well.
How find a Hollywood movie by its photos
The best suggestion would be to talk to a doctor who performs this type of surgery and ask him to see before and after photos. That would be more reliable than just looking online.