I highly recommend Gina to get your numbers up if you need to, she's approved more than half of the ones I've done today with no rejections.
Complete a personality survey for the President of the United States. Requester: Seth Wagerman HIT Expiration Date: Oct 31, 2012 (6 days 23 hours) Time Allotted: 60 minutes Reward: $0.50 HITs Available: 1 No TO. Took me 6.5 mins
search 'memory consortium', they have a few $1.00 hits that supposedly take 5-10 minutes, one takes 25 EDIT: seems you need to complete all 4 parts, only 2-4 posted
https://www.mturk.com/mturk/preview?groupId=20AC0RYNJ92NEZVX5YDJXUH74AM94U 10 min, 50 cents, qual test inside hit
Check your emails if you did an image recognition study in the past, if you do the follow up you'll get a $1.00 bonus.