Here’s the list I have in my MythTV. These are all direct feeds, none requiring “wrapper” applications, where you have to see ads or whatever).
College
Hertz 87.9 - Bielefeld, Germany http://129.70.194.22:8000
CHSR - Fredericton, New Brunswick http://131.202.131.112:8000
CIUT - Toronto, Ontario mms://69.13.133.200/ciut
KFJC - Los Altos, CA http://netcast.kfjc.org:8976
KMSC - Sioux City, Iowa http://198.102.147.31:8000
KRUI - Iowa City, Iowa http://krui.student-services.uiowa.edu:8300
KSLU - Hammond, Louisiana http://147.174.55.20:8000
KTUH - Honolulu, Hawaii http://128.171.65.154:8000
CISM - Montreal, Quebec rtsp://real.cam.org/live/cism.ra
Alternative
104.9 XFM - London, UK mms://ms2.capitalinteractive.co.uk/xfm_high
Kink FM - Amsterdam, Netherlands http://ms.stream.garnierprojects.com/kinkfm
Indie 103.1 - Los Angeles mms://ccdig.liquidviewer.com/indie103
KRUA The Edge - Anchorage, AL http://137.229.181.241:8002
Pop
Hits Milaan http://www.fastweb.it/my_fast_page_res/fast_link/fmclassic.asx
Sweden Pop radio http://live1.nrj.net/nrj_no
Dance
Radio Studio Piu - Lombardia, Italy http://195.137.139.129:8000
Lazer Techno - Belgium http://streams.lazernet.be:2690
Radio Unica - Castellon, Spain http://audio.radio-unica.com:8064
EuroRadio - Singapore http://euroradio.eurodance4all.org:9000
Energy 103 http://rs4.radiostreamer.com:8030
80s
WPOI - Saint Petersburg, FL mms://66.250.188.18/wpoi_fm
WBPT - Birmingham, AL mms://66.250.188.12/wbpt_fm
KHPT 106.9 The Point - Conroe, TX mms://66.250.188.13/khpt_fm
80s Airwaves http://tess.fast-serv.com:8956
Mexico
XHTXA Calor 93 - Tuxpan http://audio.grupofm.com:9400
XEHV HV 1310 - Salsa - Veracruz http://200.67.162.165:8006
XHPR Vox FM - Veracruz http://audio.grupofm.com:8000
XHRN La Nueva RN - Salsa/Sports -Veracruz http://audio.grupofm.com:8400
Classical
VRT Radio Klara mms://streampower.belgacom.be/klarahigh
Soul
KXGQ 92-GQ - Oakland, CA http://www.kxgq.com:9000
Dance Classic Soul http://traffic.quicknet.nl:8100
Key56 Classic Soul http://live.str3am.com:2140
Jazz
WJZT - Tallahassee, FL mms://65.89.47.83/wjzt
WNCU - Durham, NC http://152.9.6.199:1910
WNUA - Chicago, IL http://ccdig.liquidviewer.com/wnua
WSMJ - Baltimore, MD http://ccri.eonstreams.com/ccri_md_baltimore_wsmj_fm.asf
Smooth Jazz - Monterey, CA http://205.188.234.37:8054
Classic Rock
K-Rock 97.5 - St. Johns, Newfoundland mms://209.128.8.147/K-Rock975
Rock 103 - Memphis, TN http://ccri.eonstreams.com/ccri_tn_memphis_wegr_fm.asf
Planet Rock - London http://audio1.musicradio.com/PlanetRock
KGB - San Diego http://ccri.eonstreams.com/ccri_ca_sandiego_kgb_fm.asf
Arrow Classic Rock - Netherlands mms://arrowstream.atinet.nl/arrowrock