If you do not know what you should do with the photo frames that you no longer want, do what the Urban Curators are doing in their efforts to highlight common, overlooked objects and spaces within their city of Providence in Rhode Island.
They are placing picture frames over spots that have been overlooked or abandoned before taking pictures and posting them on Urban Curator Map. Interested to do something along that line in your own country? You don't have to crack your head figuring how to, as they have all the tips you need to get the project going with or without frames.
With so much changes going on in progressive countries, especially in South East Asia, I think this is a very good way to remember our childhood by. It may well turn out to be a good record of the greener environment and standard of living that we now have that are being deemed deemed common and overlooked.