Examples:
- fotolia christmas
- search photos about christmas
URL:
http://us.fotolia.com/search?k={%query}&search.x=0&search.y=0&filters[content_type%3Aphoto]=1&filters[content_type%3Aillustration]=1&filters[content_type%3Avector]=1&filters[content_type%3Avideo]=1&order=relevance&tmplaceref=206627820