Some design/product combos I really like:

(more being added. some links being added)

duvet cover with "painterly dots in blue on navy" pattern
duvet cover with "distressed floral" pattern
sheet set with "contour line flowers" pattern
pillowcase with "space-age geometry mirrored" pattern
duvet cover with "blue green floaty floral" pattern
sheet set with "talismans" pattern
duvet cover with "blocks with filigree" pattern
sheet set with "joyful botanical abundance wild colors on white" pattern
duvet cover with "squarish flowers - large" pattern
duvet cover with "jewel tone mod 70s flowers" pattern
duvet cover with "crazy big squiggly lines" pattern
duvet cover with "brighter moddy-mod floral" pattern
duvet cover with "not quite ogee not quite stripe jumbo" pattern
pillowcase with "textured boho patchwork - medium" pattern
duvet cover with "big pink mod flowers" pattern
throw pillow with "bold and bright abstract" pattern
throw pillow with "cool extreme scale abstract" pattern
curtain panels with "big line dots" pattern
curtain panels with "neutral with a touch of plum" design