This basic granny square is really so simple. You can use whatever yarn you like, and the crochet hook to match. Gauge isn't important in this one. With a quick step by step photo granny square tutorial, you will be whipping these up in no time!
Via Missneris

C2c Enamored Heart Afghan Square
"This afghan square can be used for a variety of projects including throw pillows, blankets, shawls, wall hangings and so much more! I used 20 yards of Red Heart Super Saver in Buff (6 Yards)
Daisy Granny Square Motif Free Crochet Pattern and Video Tutorial
This Crochet Daisy Granny Square is the one that you will want to keep out and about all over your house. The Daisy Granny Square Motif Free Crochet Pattern has a beautiful floral motif. It's
Hexi Askew Square
This 12 (30.5 cm) square starts with a hexagon. Crossed double crochet and popcorn stitches add texture. This square was designed for the sixth annual Moogly Crochet Along. Skills Used Basic crochet
How To Crochet A Granny Square
"The granny square is the easiest crochet square out there and should be one of the first things a beginner should learn. It sets the start for more intricate patterns and designs. You can
Right Round Square
The Right Round Square is a free crochet 12-inch square pattern that I designed for the Wedding Blanket Crochet Along with the Red Heart Joy Creators! This square also works well for the MooglyCAL -