You can use any photos on your Facebook like page from your computer. Learn how to add a profile picture on Facebook like page. Your Facebook like page profile picture size will 180px and 180px.
1. At first log in your Facebook account using your Facebook email address and password.
2. You see your Facebook account home page with your name and Facebook like pages. Click your like page as you want to add a picture.

3. You see your Facebook like page. Scroll down until you see +Add Profile Picture button with your Facebook like page name.
4. Click +Add Profile Picture button to add a picture on your Facebook like page.
Click Upload Photo text to upload a photo from your computer.

5. You see new dialog box with your Desktop and My Computer. Choose a picture desktop or my computer any folder and click Open button.

6. After that reload your page and you see your recently added Facebook page profile picture.
You profile picture perfect size will 180px width and 180px height. In this way you can easily add your Facebook like profile picture.