it's fairly simple : after saving any pics wewe want from tafuta engines,go to your profile/wall/photos and click on photos,then pakia the picha and if wewe want the image to be your icon,check the box and that image will become your icon.
wewe have options like Profile, Wall, Photos, Clubs, vipendwa and mashabiki on your profile. If wewe go to "Photos", you'll see "upload new photo" on the right side. Click on it. Then you'll see "upload image" where wewe have to choose file. wewe can pakia any picha wewe have saved on your computer. wewe can add image caption if wewe want. Click on "submit image" and it's done.