I will collect some useful tutorials here. Either about sewing or about style.
General Sewing Tutorials
Sewaholic's sewtionary - a whole lot of advice how to do stuff
Zip fly tutorial
Specific Sewing Tutorials
Picnic blanket skirt by Tilly
Bow belt by Tilly
Jenny belt by Lladybird
Vintage hairstyle
Vintage make-up
Glamour Daze - Vintage fashion and beauty archive, well organized make-up tutorials
Wardrobe style
Frenc Chic - how to achieve the French chic style
How to look older: wardrobe - tips on how to look more mature