Just thought I would share an extremely simple way in which you can find “DoFollow” blogs very quickly. If you search Google images, and any image search for that matter for something along the lines of “you comment i follow” you will get a returned listing of results that will yield this picture:

This basically states that the blog has put a badge up that is telling the world that their blog is DoFollow friendly. So all you have to do to get the link juice is visit the aforementioned blogs, leave a comment, and boom you will have instant DoFollow success.

Some good searches for this are:

Obviously some people out there will name it differently and you might not be able to find them, but keep in mind you can even niche out these search results to find sites that are relevant to your niche, instant gold. Try it out and let me know how it goes!