Here are links to some of Angela's suppliers and some inspirational sites...
THE STENCIL LIBRARY One of the most extensive collection of stencils.
FARROW & BALL Paints based on historical research.
WORMERSLEYS Superb range of Eco-friendly paints.
DULUX I specify that walls are base-painted with Dulux for my decorative paint finishes.
MURALSPLUS is an inspirational website.
A S HANDOVER A superb range of brushes and equipment for decorative effects.
THE TRADITIONAL PAINT FORUM A group dedicated to researching and re-creating authentic period paint finishes.