In addition to that, show in your letter that you are really interested in the job. Write that you want to get a personal interview as fast as possible because this shows great interest in getting the job; however, do it in a polite manner. Write your letter whole_heartedly with veracity and respect. This manner can add a personal touch to your cover letter making it unique from others.
To ever have a chance of succeeding with your goal of landing that perfect job, you also need to dedicate some time and effort in crafting a good resume cover letter while ensuring that it maintains the structure of a proven and successful format. The cover letter essentially sums up your competencies and skills relevant to the role you are applying for. It is not generally considered as part of your resume, but you have to keep in mind that a cover letter becomes more effective if it complements your submitted resume.