You just have to go the classified web site, like;
Company will give you the following things:
1- Title of Ad: for example: Home Based Job Opportunity
2- Description of Ad: Are you jobless and free at home? Are you looking for a comfortable job, Are you searching part time or full time job? Do you want to increase your income? Do you want to get income regularly? Do you want to be popular in your area? If the answer is yes, then contact to us because we have opportunity for you. Visit us (http://realadpostingjobs.com/).
3- Website address of the company -OR- url specify in the description.
Now, your job is just to post the above data as this.
Click the link Post ad
Choose category ( for example Jobs)
Choose sub-category ( for example Part Time Jobs) and continue.
Now you will see a form, in this form you will just paste the up given Title in first box , then Description and website in Description box.In remaining fields only fill Email required box and continue to Post this ad.
Now you will see a page where your ad is displaying , this is called ad viewing url page, you simply copy the url address of this page and save it one by one in Ms- excel file as per campaign requirements.