1. Picture Editing in Photoshop

2. 1.File.Open…
2.Navigate to your picture in a folder and open it

3. Use the Lasso tool to select the part of the picture you wish to use
Then copy the selected shape: File>Copy

4. Create a new Photoshop file: File>New…
Photoshop will automatically make the picture the right size for your copied shape
Select transparent, click OK and paste.

5. Select the eraser tool, set the brush size and hardness

6. Use the eraser to touch up your shape

7. To improve Brightness and Contrast

8. Use the sliders to adjust
Finish eraser touch up and save