Channel names for CLI downloader:

append .pal for PAL version (eg: mii.pal)
append .jap for JAP version (eg: eula.usa)
append .usa for USA version (eg: news.jap)
(for region-free channels use any suffix)

boot => BOOT2
bbciplayer => BBC iPlayer
systemmenu => System Menu
checkmiiout => Check Mii Out
digicamprint => Digicam Print
eula => EULA
everyonevotes => Everyone Votes
jamwiththeband => Jam With The Band
japanfoodservice => Japan Food Service
mii => Mii Channel
news => News
nintendo => Nintendo
opera => Opera
photo => Photo
photo11 => Photo 1.1
regionselect => Region Select
shashin => Shashin Channel
shop => Shop
todaytomorrow => Today & Tomorrow
tvfriend => TV Friend / G-Guide
weather => Weather
wiinoma => Wii No Ma
wiispeak => Wii Speak