I don't share a lot of blackwork embroidery content over here because it's not a technique I've ever tried, and it is a little different from cross stitch because it uses different patterns to form the design, which can include but is not exclusive to cross stitches.
Blackwork bun
Blackwork Journey is an embroidery site which focuses on new Islamic, architectural and geometric counted thread blackwork designs in PDF and chart formats, for downloading and purchase.
Explore brigittepicart's 1754 photos on Flickr!
BLACKWORKの作品ギャラリー。基本的なパターン、シンプルでかわいいデザイン、裏表同一刺し、Royal School of Needlework(英国王立刺繍学校)で学んだシェーディングを使ったアートなものなど、様々な黒色のステッチをご覧ください。