photo slide show of pictures of the both of you.

make a scrap book.

make her breakfast in bed in heart shapes.

write her a poem/heart felt letter/ something personal

buy her an ipod and put the slide show/mixes/movies/ tv shows that remind you of her or you guys.

make her dinner and have a romantic setting like roses and candles all over the place. make her her fav thing or attempt to. if you cant cook then order out from a restaurant but let her know that you wouldve cooked it if you knew how lol.

uh get her a necklace/ring/bracelet with a personal message like i love you or your initials and then the date you guys got together.

buy her tickets to a concert of her fav artist.

buy her comedy tickets to to her fav stand up person or w.e. they are called lol.

take her for a night shell never forget in the town/city you guys live in. places youve guys been to like your first date/place you guys had your first kiss/ etc

there are tons of stuff you can do lol just be creative.