how to get related entities in dynamics CRM 2011

We are currently developing a Silverlight webresource in the recently released Dynamics CRM 2011. At this moment we wanted to implement an autocomplete box displaying the collection of accounts, with their addresses. We are currently stuck at the relationship we needed to follow from the account entity to the address entity. At 开发者_Python百科this moment I just graduated, any help will be highly appreciated.

We tried some things already like using the linked entities in the QueryExpression. At this moment we are improvising and implementing, the not most optimal way. We are getting the related entities from another request to the server.

thanks in advance.