i have a link on this blog, although, i can't tell if it is always in the same place on phones, iPads, or desktops. AES left a comment on the blog post with the plastic bottle filled with boxes, wondering how she did it.
details are here
or you can even subscribe and get a notice every time she posts. many of her ideas are perfect for envelopes. although she does engage in several other types of projects - so if you want to be faithful to the envelopes, be careful that you do not let candy distract you. some of her projects are pretty tempting. luckily, she puts out enough envelope ideas that i can maintain my focus. thanks candy