Bulk Image Resize / Change Backround

I am looking for a freelancer to do some Photo editing work. I have approximately 200 images (shirts, jeans, skirts, etc.) such as: [login to view URL] and I would need these to be transformed the following way: - create three sizes from each image: large (900x900), medium (400x400) and small (260x260) - background color is changed to solid #262626 - for all images in same category (i.e. jeans) I need approximately the same top/bottom/left/right margin so that it looks good on website when placed next to eachother please see sample below of an image that has been edited: [login to view URL] [login to view URL] [login to view URL] only high quality work will be accepted + all images will be checked 1by1 The first project is for approximately 200 images, however after completion, there will be ongoing work as well (i.e. every 3-4 months a new collection comes out and same work needs to be done). Please submit bid on a PRICE PER IMAGE RATE. (For now submit bid for 100 images, however I will need to know price / image rate as I might have more / less images + for future work.) FYI: IF YOU WANT TO WIN THIS PROJECT, BEFORE SELECTING FREELANCERS YOU WILL BE REQUIRED TO SEND ONE SAMPLE by using test image [login to view URL]