problemas con mythtv-suite

[earth krisis]

hola lista

quiero instalar mythtv en mi pc pero tengo el siguiente error
hago un yum install mythtv-suite
bajo todas las dependencias y paquetes pero al final me sale
warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID e42d547b
public key not available for libquicktime-0.9.4-2.1.fc3.fr.i586.rpm
Retrieving GPG key from http://freshrpms.net/RPM-GPG-KEY-freshrpms
Importing GPG key 0xE42D547B "Matthias Saou (Thias) 
<matthias.saou at est.une.marmotte.net>"
Is this ok [y/N]: y
Key imported successfully
warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 66534c2b
public key not available for mythtv-0.18.1-113.rhfc3.at.i386.rpm
Retrieving GPG key from http://ATrpms.net/RPM-GPG-KEY.atrpms
GPG key parsing failed: unpack str size does not match format


e incluso hago un apt-get install mythtv-suite
pero me arroja esto
Reading Package Lists... Done
Building Dependency Tree... Done
E: Couldn't find package mythtv-suite

alguien ha podido instalar esto o solucionar este problema ???
saludos