Even though the intent is to make the screenshot look more professional, there is a flaw that makes the result look unprofessional. The flaw is that the text in the title bar and the location bar isn't rendered as it would be on a Mac. See the difference in this reference screenshot I found: <a href="http://macamour.com/blog/wp-content/uploads/2008/06/safari4_screenshot.png" rel="nofollow">http://macamour.com/blog/wp-content/uploads/2008/06/safari4_...</a>.<p>Here are the problems with the text rendering that I could spot:<p>• The current text has too much hinting and not enough anti-aliasing. Use different font smoothing settings in whatever code you're using to overlay the text.<p>• The font appears to be Aktiv Grotesk, but should be Lucida Grande.<p>• The baseline of the URL text is not aligned with the baseline of "Google" in the search bar.<p>On the other hand, the light-gray-shadow embedding effect of the title looks good.<p>As a side note, the explanatory text has very many small grammar and capitalization errors. Getting the text revised by a friend might help. But it's not too bad, because the controls are really all you need to use the site, and the controls are explained pretty clearly.<p>Also, I like the fact that you give default values for everything, so you can see exactly how the app works without digging around for an image.
The reason Safari screenshots may be considered more "professional" looking may also be the reason it is my preferred browser - the interface chrome is minimal and monochrome, making it easier for me to focus on the content.