Note that if the other blog post is not licensed under a license that allows you to do so (such as Creative Commons Share-Alike), you are simply not permitted to copy images or text without explicit permission from the authors. It's not enough to state that it was taken from another post.
Of course, you are allowed to cite excerpts, but then the text should be clearly marked up as a citation.
The right thing to do is to either bring down the blog post, replacing it with references to the used articles, or quickly transform (pun intended) the paragraphs and graphics into your own. As it stands, it’s plagiarism.
Of course, you are allowed to cite excerpts, but then the text should be clearly marked up as a citation.