Instructions:

background:
add any background to the "background folder".
you can also use the included backgrounds.

new label:
you can move the layer as desired, or disable visibility.

adding prints:
Add any picture to the "prints folder" and locate it as desired.
You may add prints as much as you want.

adding Logo:
Double-click the "logo label" smart object layer to replace the logo, 
add any picture save the smart object file and close it.

solid color:
Double-click the "color" layer to choose color as desired.
disable visiblity of the "print" smart object.

Save the file and put it in your site or catalog.