blackwork fill-in patterns from Lesley Wilkins Beginner’s Guide to Blackwork - cross stitch I've been planning a largeish-scale blackwork project. These may come in handy.as an alternative, use a different colour of embroidery floss.
How to embroider the Griffin Stitch - a colorful lattice filling used in hand embroidery & needlepoint.
Blackwork Fill-In Samplers « Backstitch
DRAWN Brain Clutter: Blackwork pattern: Misc blackwork examples This one would be cool to do in color!