One of the most overlooked aspects of submitting your CV is your cover letter. The cover letter and determine whether or not your CV is looked at. Here are several resources to create beautiful cover letter templates:
1. Resume Genius - https://resumegenius.com/cover-letter-templates
2. The Balanced Careers - https://www.thebalancecareers.com/cover-letter-template-2060213
3. Zety - https://zety.com/cover-letter-templates
4. Novo Resume - https://novoresume.com/career-blog/cover-letter-examples
5. Kick Resume - https://www.kickresume.com/en/help-center/cover-letter-samples/