Ælflæd of Duckford's collection
(Partly for ease of finding them again myself!)
Not all are SCA-specific.
I've borrowed the chain mail background from http://www.jelldragon.com/index.htm, The Jelling Dragon, Viking Re-enactment Store's beautiful online site.
Steve Muhlberger (Duke Finnvarr, sometimes) has a fantastic history blog: Muhlberger's Early History
Known World Artisans' Showcase (not as easy to navigate as they say; wish it started with photos and then went to words...)
History of the SCASCA Royalty
Kingdom of the West
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