Fieberg and Burger present lots of interesting tips in their book, many of which can apply to decks other than the Rider-Waite-Smith. For example, they share this:
A good way of achieving independence in interpreting the cards within a short space of time is to concentrate on the four suits. And when we regard the court cards as personalities that helps us to understand these four elements more fully.
Each court card represents an ideal type, a person who has complete and sovereign command over the element in questions.
The individual court figures within a suit display specific character traits.
The Queen: impulsive, an initiator, an investigator (water type)
The King: thorough, intensive, consolidating (fire type)
The Knight: magnifying, expanding, a drawer of consequences (air type)
The Page: makes something tangible out of or with the element in question (earth type)