Having a resume will increase your chances of landing an interview for the job you want. Your resume should effectively communicate your skills, abilities and experiences so that an employer will want to meet you and interview you.
Here is a link to the types of resumes there are and examples of each:
You should always send a Cover Letter with your resume. The purpose of a cover letter is to introduce your reader to your resume. The basic contents of a cover letter are:
Here is a link for more info and samples of cover letters:
After you've had your interview you should follow up with a Thank You Letter. This will help your name stand out more among the other applicants and show professionalism. Your thank you letter should be short and show sincerity but not overkill.
Here is a link for more info and samples of thank you letters:
Thank You Letters
Don't forget to read Job Search ~ Part 1: Your skills & Job Search ~ Part 2: Opportunities.
More to come... =)