I NEED SOMEONE WHO CAN USE PHOTOSHOP TO MERGE 6 HEAD PICS

I need someone who can use photoshop to merge 7 individual head shots so that the heads are side by side and merged Will need to do asap by Sunday evening - the merge must be well done and provided as black and white and as colour.

I have provided an example of exact style required. I need the pics to be merged exactly like the black and white example below on the page and i need a large registration black background space behind the pic