You can:
write a positive (5-star) review on iTunes in their music store, which you access through the iTunes
free software
register at
Podcast Pickle
and make
their Blast The Right page
a favorite
by clicking "Add to Playlist" (a one-time, not monthly selection)
register at
Digg.com
and click on their
Blast The Right page
that you "digg" the entire podcast.
Thanks
!