Members can now upload, change, or manage their Profile Photo in their Account page. Image Contributors can upload up to five photos simultaneously to their albums, just click the Add Images button. Contributors can also manage their photos (Add, Delete, Update Details) within their centralized account page. Just hover your mouse over your avatar to open the selection box.
Have you tried our Free TZ Wallpaper Manager ? It will download daily fresh photos for your desktop or laptop and set it as your wallpaper automatically on a scheduled time or you can also manually change your photo with a single click. Give it a try!