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## Description
<!-- Write a detailed description of your changes/additions here -->
Adding a snippet to fetch all images from within a desired element.
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## PR Type
- [x] Snippets, Tests & Tags (new snippets, updated snippets, re-tagging of snippets, added/updated tests)
- [ ] Scripts & Website & Meta (anything related to files in the [scripts folder](https://github.com/30-seconds/30-seconds-of-code/tree/master/scripts), how the repository's automated procedures work and the website)
- [ ] Glossary & Secondary Features (anything related to the glossary, such as new or updated terms or other secondary features)
- [ ] General, Typos, Misc. & Meta (everything else, typos, general stuff and meta files in the repository - e.g. the issue template)
## Guidelines
- [x] I have read the guidelines in the [CONTRIBUTING](https://github.com/30-seconds/30-seconds-of-code/blob/master/CONTRIBUTING.md) document.
