Accessories are often called the finishing touches. The phrase "touches" somehow doesn't carry a lot of weight, and the accessories are vital elements in decoration.
The accessories carrying the most weight should be used with the most care. In my opinion nothing is heavier than the "Portraits." In most cases these should be well thought out and used most sparely.
They should be quality pieces often used together to create a collection with big impact. These become like hand-writing, they are telltale indicators of the personalities and history of the people who occupy the home. So how are the "Portraits" being used in your castle?