Facebook – What category should you use for the Facebook page of an online music store

You have 3 choices:

1. Local Business
2. Brand, Product or Organization
3. Artist, Band or public figure.

I would choose 2, brand, product or organization. Once you create the page, you need to get 25 fans before you can reserve a custom URLfor it" www.facebook.com/mypublication/

The page is like a profile, but has fans instead of friends. It also has page specific settings for wall and privacy.

After you create your page you can use an app, like Facebook custom FMBL page to create custom components or tabs for it. With that you will use the Facebook API.

I believe it is 180 width x 540 height for profile pictures.

Though the documentation says otherwise

The URL to the largest-sized profile picture for the user being queried. The image can have a maximum width of 200px and a maximum height of 600px. This URL may be blank.

It could be this change is still being propagated.