Is this something I should be worried about?

Selected answers from the Dumb SEO Questions Facebook & G+ community.

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  Sadi Hussain: What type of links they are?
  If they are links to well known sites like Wikipedia, Hubspot or any other authority website then it`s fine.
  If they`re linking to some low quality sites then you`re right this might be a sneaky way to do it.
  As for images, yes there are sites like Pixabay, Pexels from where you can download free images so no harm in that.
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  Christine Hansen: If she is using creative common images, all pictures will need a label of text stating this in the bylines, otherwise, this is a clear violation of the licenses. There are various licenses, therefor the byline text can be different for each CC image she is using. She should know this. And you should be able to see that in the text document, she sent you.
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  Zoe M Hughes: Links to other websites are fine provided they add authority to the article i.e. further info/back up the claims. Royalty free images are fine if sourced from a proper website (Pixabay, Unsplash, etc) but she should have given you the link where she got them from. Sounds like the article is fine tbh (from a content writer turned SEO) and just some misunderstandings to iron out :)
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  Kristen Hansen Lowrey: Zoe M Hughes agree with Zoe.
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  David Harry: yea, def would look into the sites/pages that are linked to... lol... cause it might just be a great way to do link building (the pitch, over calling it a "guest post"
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  Travis Bailey: Definitely be a bit wary. Links that aren`t related to the content, or content that isn`t related to your subject matter are definite red flags. Just keep in mind it can be a good thing to link out, especially to well known/trusted sites.
  
  You can always add a nofollow attribute to the links, if you feel that`s necessary. If the true intent of the writer is building a portfolio, that shouldn`t be too much of an issue. Though it`s not necessary to nofollow most, or every, link out.
  
  In regard to the images, there are many sites that provide images with a CC0 license. Should you decide to vet the provenance of the images (and you should), you can use free services like Google Reverse Image Search (images.google.com then upload the image file, or paste an image URL), or Tin Eye. That will show you where the images are posted, and likely where they came from.
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  Neil Cheesman: "So I had someone contact me saying she is a content writer ...
  " At that point, I stop reading the email and delete... or reply and say "no thanks".
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  Kristen Hansen Lowrey: Content writers need to build a portfolio. Whenever someone contacts me about how to start out in copywriting I always suggest doing some free work. Agree with the other suggestions here - check the quality of the links and check the images (or use your own - I don’t usually recommend writers supply images) but otherwise I think if it’s well written and in your niche use it.
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  Kristen Hansen Lowrey: Oh and run it through google to make sure it’s not been copied/plagiarised