What's a great 20yrs anniversary present, That's not real expensive?
20 roses or what ever flowers you want with a special message on each. Maybe a compliment or something.
Another 20 years of marriage like the last 20.
A kitten ._. I have no idea how much they cost, just adopt one? Just guessing.
Picture slides with music. From the time they met till today would be sweet
Get a nice picture friend
if you have a Facebook try making a free slide show type his name it and Choose a song then post on Facebook slide.ly only computer's
maybe a nice tree to plant