You may search for a specific e-card in one of the following two ways.
 

Category Search
You may browse the e-card categories listed on the left side of the website.  Click on the category link to expand a category, then view the e-cards in that category until you find one you like. Click on the e-card to select it.
 

Word Search
You may enter a word or phrase in the search box in the upper left corner of the website.  As you enter your search term, a list of e-cards and wallpaper matching that term will be presented.  Scroll through the list of items to find one you like and then click on the e-card to select it.