When I install applications outside of the mac app store, they usually show up in the applications folder but their image is not displayed. To cure this, I need to either reboot or wait a while.
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; nl-nl) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5)