A personal favorite from my Etsy shop https://www.etsy.com/listing/258372059/loom-knitting-guide-patterns
Different stitches, what they look like, how to - on a loom
Loom Knit Mug Cozy Pattern (free!). Just in time for winter!!
Loom Knitting Guide & Patterns by GoodKnitKisses on Etsy
Loom Lore more Loom Knit Flowers
Three Step Stitch is an EASY & REALLY cool stitch that gives a light breezy look to any loom knitting project. Here is a picture, text and video tutorial.
Kelley's Yarns: Lickety Split Loom-Knit Newborn Hats
Bamboo Stitch Loom Knit Pattern
But I would just buy the beanie and sew on the rhinestones
Loom Knit Cupcake Hat!