loading of URIs that contain dots in url segments will fail:
Example:
/FanartService/Series/Poster/Navy+CIS:+L.A./200/300 --> /FanartService/Series/Poster/Navy+CIS:+L.A/200/300
/FanartService/Series/Poster/{Navy+CIS:+L.A.}/200/300 --> this works, dots are left in.

See http://forum.team-mediaportal.com/threads/minor-glitches-on-scrapping-series.119993 for more details