This is my first tutorial! so bear with me and ask questions if you dont understand a certain step or whatever...
anyways, this is a simple trick to take a photo like This
and turn it into something like This
Ok so here we go:
Open your image of choice up in photoshop
Go to the bar at the top and select Layer>New Adjustment Layer>Hue/Saturation
Click OK and you should see a screen like this:
Drag the saturation all the way to the left and click ok.
Make sure your color palette is set with black first and white second, like this:
Now use the paintbrush tool to paint over your black and white image. The segments of the picture you paint will return to color. Here's a halfway point of this picture:
and here's the final result again:
I used a size 17 brush for this pic but you can use whatever you want to get the right amount of detail
good luck and let me know what you think