DIY Jeans Refashion projects that are really amazing! - Includes 65 ways to recycle jeans as well as create awesome new things. Check it out to find out how you've been letting you old jeans go to waste!
How to hem your jeans and keep the original hem! It will work with flares. The only difference is that you need to do a small reinforced stitch to resize the hem to the width of the pants where you'll hem. Sofie Love has a blog that demonstrates this.