There are now a lot of active/relatively active rollerblading podcasts.
Blader Geeks
https://soundcloud.com/bladergeeks/
Blade Or Die
http://www.stitcher.com/podcast/the-rock-town-podcast
How To Be Unpopular
http://www.mushroomblading.com/podcasts.php
Master Debladers
https://soundcloud.com/dustin-jamieson/
The Dirty Show
https://kevin-dowling.squarespace.com/blog/
Something Something Rollerblading
https://somethingsomethingrollerblading.wordpress.com/tag/podcast/
Fruit Boot Losers
https://soundcloud.com/beshures/
Organic Blade Skate
steven on #
Great list, thanks!