Cut off the background on the simple images

I need someone to cut off the background with help of pen tool (not magic wand or quick selection tool) , feather radius 1 px. on the simple images (50 pcs). I need psd file with transparent background. Pay 20 cents per image. I'ts URGENT job - if you could not do the job in 6-7 hours DO NOT make the bid! Need to be done in nearest hours (25 images in 3 hours). Availability of Dropbox is preference. In attachment how the work should be done. Here an examples how the work shouldn't be done: [login to view URL] [login to view URL] [login to view URL] [login to view URL] You should understand that you will pay the fee of $5 for this project but as compensation I'll give 5/5 stars feedback and opportunity to work in future/additional images +25/50 depends on your speed.