i made my own magnets recently and it went successfully; not that it was really hard to begin with, but i'm kind of new at doing all these DIY projects. i really enjoy it and i went shopping last week to get all of my basic supplies. (more mod podge, paint, paint brushes, spray adhesive, hot glue gun, magnets, etc.) it was super fun walking through the aisles at JoAnn's. i could spend hours there. so here's what you need to make the magnets:
mod podge, magnets (they only had the adhesive kind), scraps of scrapbook paper, paint brush, coffee sleeves (from Panera or Starbucks), and a circular paper punch (i used 1 1/4 size)
punch out circles from the coffee sleeves and your scraps and then glue them with mod podge and paint over the top to seal it in.
here's the back of it after you glue it on
let them dry and then apply the magnet to the back and that's it!
i tested them out on my fridge with a picture of my niece. i love them!