http://www.scriptureearth.org/
Please choose the S on the horizontal A to Z list on the home page. Please scroll down to the Spanish link.
Below should be the link for Spanish.
http://www.scriptureearth.org/00i-Scripture_Index.php?sortby=lang&name=spa&ROD_Code=00000&Variant_Code=
If you have any questions or need help finding a particular video, tract, book or any other Christian resource in any language of the world, please contact brianformissions@gmail.com