Acquiring images from Bing image search

Microsoft's search engine, Bing, has an API that enables us to send queries and receive results in our own application. For a certain number of queries (currently, 5,000 per month), Bing Search API is free to use. However, we must register for it by taking the following steps:

1. Go to http://datamarket.azure.com/ and log in. You will need to create a Microsoft account if you do not already have one.

2. Enter Bing Search API in the Search the Marketplace field. A list of results should appear. Click on the link for Bing Search API (not any variant such as Bing Search API – Web Results Only).

3. Next to the $0.00 per month option, click on the SIGN UP button. Alternatively, if you plan to use Luxocator obsessively, to the exclusion of normal activities, sign up for one of the paid options that allows more than 5,000 queries per month.

4. Click on the My Account tab. You should see a list of Account Information, including a Primary Account Key, which is a 43-character...