You can make free aim buddy icon on your own. You can use soft wares that are meant for beginners to create the icons. You can start using simple soft wares to make free aim buddy icon. There are several websites that teach the ways to use the soft wares to make free aim buddy icon. You can visit those websites .You can also learn from the designing books that are available in the market. You can visit icon sites and take a look at the icon designs. You can also incorporate same designing techniques in your design. You can initially give your icons for free as samples .If the user finds it innovative, he will come back to you.