Let me show you that how to post an image with IMG code. Follow the following steps.
1. Go to imgur.com.
2. Press 'New Post' button on top.
3. Press 'Browse' button and select your signature image which is saved on your computer.
4. Move your cursor over the image and options will appear. You have to click on arrow button then click 'Get shared links'
5. Now you will see shared links option will appear and now check for BB Code link and then press Copy.
6. Now paste that BB code link into the signature and it will appear as an image.
Pending Player - 24 hours.