Tip Hover your mouse over images in order to see captions. Left-hand Double This ad is an example of how big a "Left-hand Double" ad is. It also uses the option of having an alternate background color to really stand out from the other ads. The white text and bright green links are standard when using the blue background. Another option available is a green button for links (see below). This button is rendered using javascript and is therefore fast-loading (not a graphic). Tip Use our Hiking Time Calculator to estimate how long a hike will take based on YOUR walking pace. Left-hand Single This ad is an example of how big a "Left-hand Single" ad is. It also uses an extra color (maroon) for accenting specific text. It has the optional white background for which green and black are the standard text colors and blue is used for links. The ad size is 160 pixels wide by 180 pixels tall.