Verb conjugation of "wechseln" in German

Everyone says, that I am sending always silly pictures, so here 4 more images. Your picture is very cool, especially the hat, it has a really cool shape. Are there different sizes?
I am sending you my e-mail address. Then I can write in German and send it to you faster. Please send me pictures of your children. I love little kids, they are always so sweet and innocent.
That's a great deal. I know that in the beginning it is difficult to have conversations, especially if you're not stable with vocabulary. Actually, your English does not seem so bad. Have you ever taken a course?