@sahmie this post is not an expression of my own personal idea, it was created to help educate members of my community and as an Abuser Checker in the Steem4nigeria Community, I am not only here to penalize offenders, it's my duty to also educate members of the community so they can avoid unethical behavior in our community.
As you may have observed, this post is backed by a number of links to various external sources that corroborates it's essence.
You can read more on steemit stand with regards to plagiarism in this post entitled Content Etiquette
Plagiarism covers more that just text based plagiarism which has often been emphasized.

So on a personal note, I don't see the need of adding the links to all the images used to make the editted version.

This type of plagiarism is in the realm of incomplete attribution