Juicecaster is having a mobile video and pic contest. its called juicelympics.

from the site:
To enter, participants must create a JuiceCaster account, and publicly post a video or picture through JuiceCaster. To complete entry, the participant must tag or title the picture/video with the word "gold." Entries must be submitted by the deadline to be considered as a potential prize winner for the Contest. No purchase is necessary to participate in the contest. Up to 5 video or picture entries allowed per person. Standard text message rates apply if submitted from the mobile phone. For more information on how to enter the contest, go to juicecaster.com/gold