Then describe how your qualifications match the employer's needs. An unforgivable error made by some job seekers is failing to follow up after promising to do so in a cover letter. Provide salary information when it is not requested. Write a canned, generic letter that looks like it was copied from a book. Make spelling errors and typos.
Hand write or type a cover letter.
Use shoddy paper, or paper that's different from your resume paper. Cram too much information into a small space. Include irrelevant personal information or job experience. Overstate your accomplishments or contradict your resume.