Even though I haven't been journaling in my journals I still love to glue stuff. Every morning in May I have been making a little collage in a small journal I have. The pages are about 3"x5" so it doesn't take much to do one. It has been a fun exercise and I hope I can keep it up all month. At least I'll have something to show you :)
Give it a try. See what you can do in 10-15 minutes. Maybe an index card would be good to use. Just use all those little bits and pieces you have around and don't overthink it.