Okay so this is an oldie. Infact I did it probably over 10 years ago (it was in our dating years). But I still think it is a simple, meaningful display that can be easily done for your sweetie. I googled 'I love you' in many many languages. Then I started writing in different fonts, sizes, and directions. In red ink I wrote 'I love you in every language' so it would stand out. You could do it this concept on the computer, but I really wanted it done by my hands.
My sweetie got it rolled scroll-like tied with a ribbon. Perfect for St. Valentine's day.