You have to get a membership, or get an icon beside your username.
a really familiar image.
There are several websites which provide classified advertisement. For example http://classifiedads.com You can find free ads related to education criteria which you mentioned.
At theblackfriday.com are tons of ads. You can find anything that you wish. Also they show which stores provide ads. So look up what you like there and have fun with it.
You have to link your account to facebook and use your facebook icon.
Use the buddy icon maker from the sherv.net website: *[http://www.sherv.net/icon-maker/ buddy icon maker]
The email icon it has a mail thingie.
Ads help the company be widely known all over the place.
You cannot use the website icon on the desktop. You can always add the bookmarks, which are same as icon of page.
Try craigslist and rvtraderonline for classified ads for RVs. Both sites allow you to narrow down your search and provide photos.
An icon is a small picture or symbol that represents something. You can use icons to quickly convey information or actions in digital interfaces, such as clicking on a shopping cart icon to go to your shopping cart.
Companies pay answers.com to put their ads there in the knowledge that many people use this website and will therefore will see their ads.