The DIY Tailor: How to Hem Dress Pants Like a Pro ~ this is a -really- good step-by-step tutorial with photos.
prints and posters
How To Alter a Man's Shirt to a Woman's Shape repurpose sewing tutorial
Tutorial on how to make a (no-sew!) Bandana Flag T-Shirt - Sugar Bee Crafts
Refashion Friday Tutorial/How-To: Draft a Collar for a T-shirt Refashion/Remake