Added more examples in image manipulation

[Haimantika]

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[Haimantika]

@gewenyu99 will need your eyes in the code examples

[gewenyu99]

@Haimantika What is different between this and the existing example? Maybe point out the differences?

[gewenyu99]

Hi sorryyy, I'm really late to review this.

When you add these examples, maybe let them know what you're trying to do to the image and have an example before and after? I'm really confused looking at this. I don't know what I'm looking at or what this example might do 💭