1. Put all layers into one folder, Ipod.
2. Make 2 duplicate folders of it, one for shadow and relection.
3. Shadow and relection folder and merge each of the folders to form one layer each.
4. Reflection, to get a reflection, you transform it, and flip it vertically, put a mask (use gradient or brush tool to reduce opasity and to make it look believeable).
5. Shadow, to make a shadow, ctrl click on the layer icon for the shadow, you fill it black, adjust the color or blur it, shrink it to a small size, and make sure it is behind the Ipod at the bottom.
