Just a few songs I can immediately think of...
The Afters' "Beautiful Love" theme of MTV's "8th & Ocean", “Until the World" theme for ABC Family's “Beautiful People"
Caedmon's Call's "Ten Thousand Angels" in ABC's "Grey's Anatomy" (on heels of the inclusion of alum's Derek Webb's inclusion)
Derek Webb's "Name" in ABC's "Grey's Anatomy"
Disciple's "Game On" in “Best D#$n Sports Show,” NFL’s “Total Axxess,” WWE’s “Cyber Sunday” and Speed TV’s “Speed Report”
Jars of Clay's "Five Candles" in NBC's "Providence" (episode 106), "Show You Love" in The WB's "Summerland"
Jon McLaughlin - "Human" in NBC's "Scrubs" episode "My Conventional Wisdom" as well as CBS'"The Walk-In" of "Ghost Whisperer. "
Kutless' "All Of The Words" in NBC's "Scrubs" episode titled "My Bright Idea"
Mat Kearney's "Nothing Left to Lose" and "Breathe In, Breathe Out" in ABC's "Grey's Anatomy", "Nothing Left to Lose" in CBS' "Jericho", "All I Need" in CBS' "NCIS", and "Where We Gonna Go From Here" in NBC's "Scrubs"
Margaret Becker's "Clay & Water" in NBC's "Providence" (episode 111)
Michelle Tumes' "Life Is Beautiful" in NBC's "Providence" (episode 117)
Needtobreathe's “Shine On” in "Employee of the Month," and MTV's “Newport Harbor”, “We Could Run Away” in MTV's “The Hills”, "More Time" in "P.S. I Love You"
Plumb's music has been heard in TV series (Dawson's Creek, Felicity, ER, Roswell, etc.)
Superchick's "We Live" in "Brothers & Sisters"
TobyMac's "Diverse City" in The CW's "Veronica Mars"
also, see Crossover posts
The Afters' "Beautiful Love" theme of MTV's "8th & Ocean", “Until the World" theme for ABC Family's “Beautiful People"
Caedmon's Call's "Ten Thousand Angels" in ABC's "Grey's Anatomy" (on heels of the inclusion of alum's Derek Webb's inclusion)
Derek Webb's "Name" in ABC's "Grey's Anatomy"
Disciple's "Game On" in “Best D#$n Sports Show,” NFL’s “Total Axxess,” WWE’s “Cyber Sunday” and Speed TV’s “Speed Report”
Jars of Clay's "Five Candles" in NBC's "Providence" (episode 106), "Show You Love" in The WB's "Summerland"
Jon McLaughlin - "Human" in NBC's "Scrubs" episode "My Conventional Wisdom" as well as CBS'"The Walk-In" of "Ghost Whisperer. "
Kutless' "All Of The Words" in NBC's "Scrubs" episode titled "My Bright Idea"
Mat Kearney's "Nothing Left to Lose" and "Breathe In, Breathe Out" in ABC's "Grey's Anatomy", "Nothing Left to Lose" in CBS' "Jericho", "All I Need" in CBS' "NCIS", and "Where We Gonna Go From Here" in NBC's "Scrubs"
Margaret Becker's "Clay & Water" in NBC's "Providence" (episode 111)
Michelle Tumes' "Life Is Beautiful" in NBC's "Providence" (episode 117)
Needtobreathe's “Shine On” in "Employee of the Month," and MTV's “Newport Harbor”, “We Could Run Away” in MTV's “The Hills”, "More Time" in "P.S. I Love You"
Plumb's music has been heard in TV series (Dawson's Creek, Felicity, ER, Roswell, etc.)
Superchick's "We Live" in "Brothers & Sisters"
TobyMac's "Diverse City" in The CW's "Veronica Mars"
also, see Crossover posts