I'm sure most of you follow several graphic design blogs, web design and other artistic disciplines that offer you means to improve as designers.
But now that the podcast offer us to be much "closer" to bloggers and offer resources much more directly to readers, design podcast are really useful. Also, you can download and listen anywhere taking them on your mp3, mp4, ipod player ...
Here you have the link to a post where they have made a compilation of the 30 best design podcasts in English and also another link to 3 of the best design podcasts in Spanish. It is seen that this resource is already being extended to the Hispanic community.
I hope they help you.
Source | Top 30 Design Podcasts in English
Source | 3 design podcast in Spanish