I don't know about you, but I prefer to do most of my extensive and intensive projects during the cooler months. For those of you who feel the same, let me recommend some of the fastest projects that I know of...earrings and bracelets!
My earring tutorials
Mini Shamballa bracelets
Wire and bead bracelet
Some books for more inspiration:
DIY Wrap Bracelets by Keiko Sakamoto
Fast & Easy Earrings by Erica Swanson
Earringology by Candie Cooper