Challenger: DYWTBA_Brony
https://www.youtube.com/channel/UCY2nGegO14Pi1RXEaAHwfuA

I challenge:

TPrower
https://www.youtube.com/channel/UCC5PymLSO2T7Q_ga703aWww
http://www.dailymotion.com/tprower

Ink Rose
https://www.youtube.com/user/AhsokaAnya/videos

Tyson716
https://www.youtube.com/channel/UCvfJz052VUw7DtRAfUYh2JQ
Rap parody "Arrivin' Dirty":
https://www.youtube.com/watch?v=97pLZMti1rY

Basic rules:
You have 24 hours to either accept the challenge and donate at least $10 to MDA, or decline and donate $100 or more.

Donation page:
http://mda.org/disease/amyotrophic-lateral-sclerosis?iq_id=70605347&source_code=140802AAAC030705_-VQ16-c