Create mockup images of T-shirt designs for website

I need someone who is expert in graphics designing and can create mockup images of T-Shirt designs for use on web. Please check the specifications and other information below:- 1> Images should be 1500x1500px and in Png format. 2> Mockups would be Provided. ( But you can edit it to provide more realistic view ) 3> Designs would be provided. 4> High Expertise of Photoshop required. 5> Need three images to be saved for every design. - Design on Male/Female wearing T-shirt - Design on only T-shirt - Design Only with T-Shirt Color Backgorund. 6> T-Shirt Color sheet would also be provided. 7> 50 Designs to be worked upon. (25 Male & 25 Female) 8> User shall be able to extract designs from Images if required ( Solid Background Images ) 9> Need the work to be done in minimum possible time. 10> Images Should be Uploaded on dropbox for delivery. Sample can be requested if required.