Summer Fling - Gehäkeltes DROPS Tuch in ”Delight” mit Fächermuster und Luftmaschen-Bögen. - Free pattern by DROPS Design
Fortune's Shawlette charts (full pattern and tut on mooglyblog)
14 Free Crochet Slipper Patterns - Crochet for your feet with these 14 fabulous and cute slipper patterns | Whistle and Ivy
This basic heart starts with a magic ring and is worked in two rounds, using a variety of stitches. I think cotton works very well with this kind of pattern, but you can use any kind of yarn in any weight you like!