Ravelry: anneleterme's L o p i- free pattern- nice colors... Agree!
riddari by sweetbeanbag ~ wonderful mods on her Rav site explaining the variations to the original pattern ~ knit with Ístex Létt-Lopi (10ply) and Ístex Alafoss-Lopi (12ply)
Létt-Lopi Vest by Védís Jónsdóttir, as knit by Sheepurls. Free on Ravelry!!
Gamaldags lopi sweater Knitting pattern: http://icelandicknitter.com/en/models/gamaldags/
Ravelry: Lovewool-Knits' Metalsmith