Check out the following PTC sites i've used to earn some additional cash, and earn payouts through Paypal and Amazon

Swagbucks ($335 Claimed)
http://cur.lv/arple 

IRazoo ($35 Claimed)
http://cur.lv/ayctq 

Zoombucks ($40 Claimed)
http://cur.lv/ayctn 

Points2Shop ($40 Claimed)
http://cur.lv/ayctk