Verified answer

from this

http://en.wikipedia.org/wiki/Lomography

it is obvious that you are buying a single purpose camera with built-in distortion. As long as you are not doing the cross chemical stuff in the last paragraph, the film is ordinary and you can have it developed anywhere - with the proviso that some places are likely to try to "fix" the prints.* To do the cross chemical without getting into your own color processing, you will have to go to a custom lab that will accept it on that basis as the automated labs read bar codes on the rolls to select processing.

*When I bought a "new" 35 mm camera after several years out of practice and decided to do prints rather than slides as I had done before, I shot a series of pictures of the same store front as the sun set, 1 about every 5 minutes at the same setting - not automated. When I got them back, I was astonished that all of the prints were pretty much identical until the very end. Then I looked at the negatives, which went from normal to almost transparent - the automated processing had compensated for my "errors" and wiped the changes out.

The Diana+ takes standard 120 films. This is a professional film, and can be found at most pro photo supply stores. The film can also be processes at any professional lab, or check around at your local photo finishers. They may not be able to process the film onsite, but may be able to send it out to be processed and printed.

If you can't find a local store that will process your film, check online. There are a few stores that will accept film by mail. They will process and print the film, and send it back to you via the mail.

Check out this one:

http://www.dwaynesphoto.com/

For tips on your Diana+ camera, and helpful hints and how-to videos, check out my website:

http://www.dianacamera.com/

I would think CVS or Walgreens would work, but I would put a side note on the envelope if you have any special requests. (:

My sister has a Holga and she usually develops them at those kinds of convenience stores.