1. A computer-implemented method for accumulating candidate anchor images, the computer-implemented method comprising performing computer-implemented operations for: identifying, by a computer comprising one or more processors, an image link from a video list during a Web crawling operation performed by a Web crawler of a video search application, where the video list is included in a video site; determining, by the computer, if the image link points to a Web page having a video page pattern; disregarding, by the computer, the image link if it is determined that the image link does not point to a Web page having a video page pattern; and associating, by the computer, the image link with a Web page if it is determined that the image link does point to a Web page having a video page pattern.