For those with more specific requirements there are various other ways of trawling through this Photo Archive - these options include searching by the Medium/Materials used (ie. Ceramic tiles, plasterwork or wood etc.), or by the Architectural Feature involved (ie. Decorative panel, doors & doorways, lattice-work etc). In addition, there is a list of Specific Monuments (including such outstanding sites as the Alhambra in Spain, and Fatepur-Sikri in India), and the images are also listed in the Towns in which they appear.
For more information about the Islamic Decorative Canon see Background Notes #4 - The Evolution of Style.