For anybody who needs a cover url config, here are my settings, copy it to your config.txt:
Code:
cover_style = 3d
download_id_len = 6
#flat
cover_url = http://boxart.rowdyruff.net/flat/{ID}.png
cover_url =+ http://wiicover.gateflorida.com/flat/{ID}.png
cover_url =+ http://awiibit.com/BoxArt160x224/{ID}.png
#3d
cover_url_3d = http://boxart.rowdyruff.net/3d/{ID}.png
cover_url_3d =+ http://wiicover.gateflorida.com/3d/{ID}.png
cover_url_3d =+ http://awiibit.com/3dBoxArt176x248/{ID}.png
#disc
cover_url_disc = http://boxart.rowdyruff.net/disc/{ID}.png
cover_url_disc =+ http://wiicover.gateflorida.com/disc/{ID}.png
cover_url_disc =+ http://awiibit.com/WiiDiscArt/{ID}.png