i agree..very strange choice of background for a site about native literature.
i did find this other site tho that gives a bit of research on that money being used as a background
http://translate.google.com/translate?hl=en&sl=es&u=http://www.webislam.com/numeros/2002/163/Temas/billete_mil_pesetas.htm&prev=/search%3Fq%3Dmil%2Bpesetas%26hl%3Den%26lr%3D"Few want to admit it, but that is the most logical explanation and is very many tests that confirm it. I animate to you that you look for and you verify by you yourself. But we consider that is much people treating to cover and to prevent that this of a to know itself. The Muslims were before and in addition to pacific form . The Indians copied some of the customs, but they went losing with the passage of the centuries. For that reason those phrases were copied and recopiadas, using them like decoration, like the Muslims do, until he went away losing the clear handwriting. Exactly just as it happened to him to the people of Granada.
Now I understand why the Aztecs received to Courteous HernĂ¡n with a great respect and as if they were waiting for it. They said that other men with beard already arrived from that direction kill long time back. Without a doubt some, those men with beard were Muslim... "
its translated from spanish so its a bit choppy.