Display deviantART thumbnails on your blog.
Make sure your new host is running PHP 5. Add this line to wp-config.php:
You enter a search string (the thumbs are found using the search engine from deviantArt). You can read more about search options there.
You can edit
Probably because your wp-uploads folder isn't writable. You will have to chmod it to 757. If you don't know how, read Changing File Permissions.