So if you don't want that pesky default blank paper icon to show up next to your PDF files in your libraries or search results, do the following:
The use of a Creative Commons Attribution 3.0 License javascript library called LyteBox. This library allows you to incorporate some pretty cool effects into SharePoint using a simple content editor web part to give users a Web 2.0 feel to training content.
You can create forms and reports from a SharePoint list and use them as views. Users of the SharePoint site who have Access 2007 installed can open these forms and reports by using the View menu of the SharePoint list. You can make an Access view the default view for a list.