I personally LOVE PicMonkey. I've been using it for years and it is the only thing I use to edit photos, make graphics, and even make great invitations to parties. They have graphic design templates sized just right for social. Get Pinterest-perfect designs with PicMonkey. You can do a lot of great things on Picmonkey for free. But I have a free trial link just for my readers available to you because they are a Dancing With Firefly sponsor!
Here is how it works: New users can use our link to sign up for a free trial. Try it out. Do some cool stuff. And if you don't like it, you can quit. Easy Peasy!
They also have a mobile app that I use all the time that makes it so easy. You can remix, design, refine with the PicMonkey Mobile app.