adding images to readme github code example

Example 1: add image to readme

![alt text](http://url/to/img.png)

Example 2: adding a preview image in readme.md

// method 1


// method 2
![Test Image 3](/3DTest.png)
![Test Image 4](https://github.com/tograh/testrepository/3DTest.png 112)

// last method

Example 3: README.md image

If you want to embed images, this is how you do it:

![Image of Yaktocat](https://octodex.github.com/images/yaktocat.png)

Example 4: adding images to readme github

![plot](./directory_1/directory_2/.../directory_n/plot.png)

Example 5: github readme.md add image

![GitHub Logo](/images/logo.png)
Format: ![Alt Text](url)

Example 6: github adding images to readme

![alt text](http://url/to/img.png)