Verb conjugation of "vermummen" 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 will answer your mail during the weekend. Please translate the same text to Hungarian. I think it is easier to write. We can do the same with Spanish. Just note that the context needs to stay the same.
Now I am learning by other means, such as reading and writing. I can not begin with conjugation training because I lack the basic knowledge. How are you learning at this site and which is your best lesson?