Using worsted weight yarn and size 7 to 9 needles (for the first two pillows), or a size I crochet hook (for the rightmost pillow)...
Note: pys -- pass yarn to front, slip the last stitch.
Moss Stitch Pillow: Pillow One (the leftmost in the above image)
Pillow Side (make 2)
Cast on 40 stitches.
Repeat Row 2 until desired height. Then repeat first row, and cast off.
Stitch two sides together with whip stitch, using same worsted weight yarn and crochet hook
Basket Stitch Intarsia Pillow: Pillow Two
Eight Grannies Pillow: Pillow Three