What is the error message?

For photos, the REST endpoint /v1/users/{userid}/photos returns a count.  It is also possible to do pagination through the additional parameters documented on http://developerwiki.myspace.com/index.php?title=GET_v1_users_userId_photos (page and page_size).  For videos, pagination does not seem to be possible currently.

There is no way to do that at present.  However, if you use MySpaceID, and the user links to your site, you can get the user's profile page URL through getting his profile: http://developerwiki.myspace.com/index.php?title=MySpace_REST_Resources#Profile.  

Did you put a trailing slash at the end of your callback URL when you configured it on developer.myspace.com?  I.e., http://foobar.com/

There is currently no API to publish comments to a profile.  However, there are API's to publish status and mood updates.  See for instance: http://developerwiki.myspace.com/index.php?title=MySpace_REST_Resources#Status.  This call requires the user to have logged in and linked your site/app using MySpaceID.  You can cookie ...

For the above poster: what is your IP address? For the previous poster, we will look into this.  Please stand by.

There is a bug indeed, but it will get fixed real soon.

 Please use the a Context class (e.g., OnsiteContext or OffsiteContext) in conjunction with the RestV1 class.

Unfortunately, the existing privacy model is such that most of a friend's info is not visible to an app.  We don't have it listed, but what you have listed there looks like the current list of attributes that you *can* get.   In the case of someone who has already installed the app, after fetching his user id through a friends ...

We're working on it!  Please stay tuned!