If the images in your file print upside down, it is possible that it is the design of the resource and will be right side when the resource is assembled and folded properly. Double check to make sure you are using the correct assembly instructions for the type of resource you have downloaded. Downloadable assembly instructions are located on each resource's landing page.
If you continue to experience difficulty, try saving the file to your desktop before printing:
Right-click the link to the PDF
Select "Save Target As" or "Save Link As" from the menu
Choose where to save the file on your computer
Launch Adobe Reader
Choose File > Open from within Acrobat
Navigate to and open the saved file
Choose File > Print
You may also need to update your printer driver. For the most recent copy, please visit the website for your printer manufacturer.