Hi jenstar

I replied to your earlier post. There are clothing tutorials for second life here http://wiki.secondlife.com/wiki/Clothing_Tutorials

karosnikov is so right, you need lots & lots of practice in doing lots of things and learning skills that you can apply to making clothing & jewellery etc.

There is a brilliant website with a huge list of photoshop tutorials here http://www.pixel2life.com/

You might also find DAZ tutorials useful http://www.daz3d.com/i.x/tutorial/0/-/