How to change part of photo to black and white

Open your Photo in Photoshop, i will use below




















Double click the background layer in the Layers panel and rename the layer so that it can be editable

Create an Adjustment layer that will allow us to make changes to the photo without harming the original.

Click on created new Fill/  create new adjustment Layer and choose Hue/Saturation

When Hue/Saturation box opens, check colorize  box and then slide the Saturation slider all the way to the left. This will make your photo black and white

Create a new layer above the Adjustment layer

Choose the History Brush or simply Click Y, make sure that black is your foreground color. Then start painting the areas you want to have color show up . If you paint too much, use the eraser tool to correct

Below is final result

After

Before

Creating Amazing Wallpaper

In this tutorial we are going to learn how to create amaizing wallpaper by blending four pictures

Open photos of your choice in photoshop,i will use below

To start, Open New document, Go to File - New - Specify width and height depending on the size of the pictures you are going to use then Click OK

Then am going to Open first three pictures, using Move Tool drag those pictures into the new document you have created

Note: I will upload the last picture at the final moment, cause it will only be used to add lights into the wallpaper




Both images will appear on its own separate layer, resize and reposition images as you desire
To resize simply click keyboard shortcut CTRL+T , once done press Enter
After this delete background photos and you will only remain with 4 Layers

From Tools select Magic Eraser Tools or you can use Eraser tool







Start Erasing areas you dont want, make sure layer you want to make changes to is active

Now that am happy with my picture, add space light into the picture

Open another Image, then using move tool drag the image on top of the other document

Then Change blending option fromNormal to Lighten

To adjust colors, go to Image - adjustments - hue/saturation then play with hue and saturation until you are sastified with the resultd then click OK