Forum:How can I get and recolor images?

Hi. i need help on images. i want to know how can i get images on my fanon page and how can i recolor them. for example, i made up a species of bulborb called the enraged bulborb. i want to make it all red with brown eyes, yellow feat and 3 sharp teeth. how can i do that. i'm bulborb bro and all pikmin fear me! please answer soon.