paddycarey/script.extrafanartdownloader — comment on commit 726043d8f072557231d80d7c60cc8694a05fb03e
File:  line 0
By Machine-Sanctum:

yes. they totally change the filnaming of the fanart on the server. So we discussed this and decided it was best to use the 'id' field from now on because that should never change (we hope)
Here's an example API
http://api.themoviedb.org/2.1/Movie.imdbLookup/en/xml/4be68d7eab1fbd1b6fd8a3b80a65a95e/tt0472033