You can find hi quality icons in several websites.You can find them in both free websites and also in websites that sell icons. You can even get hi quality icons from the sample files of several websites for free of cost. But you should be more cautious in dealing with free downloads. It is said that there are several websites that are being approached for spreading spy wares by business concerns to enable them to view the contents of their competitive company. These spy wares will generally travel to the files and folders of the system and scan the contents enabling the competitors to view the files and folders. The virus spread also work in the similar principle .They are being spread by several anti virus soft wares manufacturing companies to find business.