Here are some links that André provided:

Catholic Answers LIVE - catholic apologetics - (10/week)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=129684370

the catholic underground - young priest talk about tech and Catholicism (1/week)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=183924240

Christian Sexuality in a Sex-Crazed World - not a podcast, just a series (8 episodes) - doesn't seem incompatible with TOB.
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=162105278

Daily Bread - Catholic priest "homilies" about the weekday readings (5/week)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=102785540

Daily Reading from the New American Bible - all the daily readings (1+/day)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=206228295

Light of the East Radio (byzantine catholic rite) - learn about the eastern rite and sometimes TOB (1/week)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=79906941

Catholic Mens Podcast - from the Men's Catholic Fellowship of Pittsburgh (1/week)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=270556474

Two Edge Talk - A convert and a deacon talk give insights on Catholic teachings (1/week)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=216300914

1-Year Daily Audio Bible  - a well done Protestant bible podcast that is not Catholic hostile (1/day)
http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=111065122
 

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