This is real radical. If you want to keep your memories in pictures, but like to save memory requirements with very good quality but smallest image size, and also easy enough to process, here is a good photo resizer freeware. It lets you adjust the compression while visually seeing the output on side window. It is light weight, simple, easy to use, but powerful program.
Radical Image Optimization Tool (RIOT for short) is a free image optimizer that will let you to visually adjust compression parameters while keeping minimum filesize.
It uses with a side by side (dual view) or single view interface to compare the original with the optimized image in real time and instantly see the resulting file size.