After you have created your profile and created your resume, you may want to create your cover letter.
The process for this should be fairly simple after the previous two steps: simply modify this URL to include your name:
http://www.resumewiki.com/pmwiki.php/Main/ExampleNameCover?action=edit
Then just copy and paste your cover letter from your favourite word processing program into Resume Wiki and hit save.
You will probably want to include the following text at the bottom or top of your cover letter page:
This Cover Letter is for Example Name. Feel free to click on Example Name for my Profile.