You can get a complete program (text and audio) for free here:

http://fsi-language-courses.org/Content.php


This format is nice, although just for a few languages:
http://www.ielanguages.com/fsi/fsiproject.html

For Spanish practice, they can watch Destinos:
http://www.learner.org/series/destinos/
and use the resources:
http://www.learner.org/resources/series75.html

This has supplementary Spanish videos with vocab lists (click on transcripcion). I downloaded the player; it's all safe. Click on curso, then the level, and poof! short video immersion classes:
http://www.videoele.com/


More stuff:
Sign up for a word a day vocab:
http://www.transparent.com/wotd/today/spanish.html

This site has some nice tutorials (vocab, arranged by topic, grammar)
http://www.studyspanish.com/

Here are some sites to browse:

BBC (includes another show): http://www.bbc.co.uk/languages/spanish/

http://www.openculture.com/free_spanish_lessons

And you can find some online games and such here:
http://www.bbc.co.uk/schools/primarylanguages/spanish/

www.uni.edu/becker/Spanish3.html

Click around this site for vocab, grammar, cultural videos, song videos and news:
http://www.ver-taal.com/