For design ideas . . . Embellishments and beading : think dangly things.
OOOh knuckle rings and double rings are very big nowadays!
http://bit.ly/hkNhsdhttp://bit.ly/hIwHylAnd for marketing conumdrums, I am currently going through one. I am trying to read and follow bloggers who are fashion forward and trendy. Perhaps you should find your target shopper. Who would you like to see buying your items? Once you decide how you want to upgrade your items, take some different pictures to show how special these are from your different design, and decide who you want to go after.
All advice from someone who is knocking herself over her head trying to do the same thing!