| ID | Interpret | Skladba | Album | |
| 181. | Frank F. & Himself | Aztec Challenge Tribe - Sacrifice is ready | http://Remix.Kwed.Org/ |  |
| 182. | Frank F. & Himself | Aztec Challenge Tribe - Sacrifice is ready | http://Remix.Kwed.Org/ | |
| 183. | Ira Krakow | How Does the Military Commissions Act of 2006 Challenge the Constitution? | The United States Constitution | |
| 184. | Frank F. & Himself | Aztec Challenge Tribe - Sacrifice is ready | http://Remix.Kwed.Org/ | |
| 185. | A World of Possibilities | Lost in Translation: The Challenge of Bilingual Education | | |
| 186. | CheapyD, Wombat | CAGcast Pilot: Game Review Challenge | | |
| 187. | Father Roderick Vonhögen | SHP#11 - The Triwizard Tournament's Third Challenge: The Magical Maze | The Secrets of Harry Potter | |
| 188. | Raven Davis | Mentoring From MLM Divas - Challenge Yourself To Succeed - Despite e The Odds | Mentoring from MLM Divas Live | |
| 189. | djpretzel | A Challenge To The Shogunate - ORC21 Source Material | ORC21 | |
| 190. | Capkonamco | I Hate Electrostatic Charges [48 hours Challenge] | | |
| 191. | WBNY-FM | WBNY All-Talk: Primary Challenge Radio | Buffalo State College Podcasts | |
| 192. | Stephen Downes | Ruby, Blackboard, and the Challenge for Open Source | Free Software and Open Source Symposium | |
| 193. | Dr. Thomas Robinson | Life Worthy: The Challenge of Sexual Ethics | Manhattan Church of Christ | |
| 194. | WBNY-FM | WBNY All-Talk: Primary Challenge Radio | Buffalo State College Podcasts | |
| 195. | chosc | AZTEC CHALLENGE - MENTAL TRANCE REMIX | http://Remix.Kwed.Org | |
| 196. | Ron Paul | Challenge to America: A Current Assessment of Our Republic | Audio Daily Article | |
| 197. | Harry Broadman, World Bank, Denis Tull, German Institute for International and Security Affairs, Adama Gaye, Ecobank, Pang Zhongying, 4-6-07 | Chinas Engagement with Africa: Opportunity and Challenge | Johns Hopkins SAIS Events - Spring 2007 | |
| 198. | Professor Tim Besley; Professor Francesco Caselli; Professor Chris; Professor Danny Quah | The Global Economic Crisis – Meeting the Challenge | LSE: Public lectures and events | |
| 199. | Stephen Downes | Ruby, Blackboard, and the Challenge for Open Source | Free Software and Open Source Symposium | |
| 200. | Ewan Spence and The Podcast Network | The PSP Show #41: World Snooker Challenge 2007 | TPN:: The PSP Show | |
