You won't be able to dismiss this by usual means (escape or click button), but you can close it programatically based on user choices or actions.
"After getting the best matching photos, it all came together. Good and timely help from customer service and designer. Product quality and timeliness exceeded our expectation."
"very please with the finished product! customer support was very helpful! would definatly use this site again for future needs!"
"Pleased with the overall product. The paper stock we selected was not what we may have chosen had we known how it turned out. Would consider using them again."
"It was so easy to add photos. I was nervous about scanning my parents wedding photo and adding it but it was so easy. The invitation turned out even better than I thought."
"The customer service is awesome. They work hard in making your invitiations special for your occasion. I am very happy. I would suggest that you tell folks that it is not really a photo feel - that was what I was expecting but the it did not take away from the beauty of the card it is so nice."