Use her one of the best pictures to make a personalized gift like a photo mug or a photo T-shirt. Next you can also add some personal message so that she can cherish the gift for all her life. Gifts are actually used as a token to let the person know how much you really care for them. Therefore, better use some exclusive gifts like the photo gifts.
There are many photo gift shops from where the stuffs like Photo mugs or any other photo gifts can be bought. Since there are many people who stay away from their sisters, online photo printing shops are the right place from where they can pick up these stuffs as personalized photo gifts. One can make many gifts using the photos like the photo collage or a photo calendar or canvas print of photos online etc. Such gifts being so special and unique is sure to make your sister happy.