One can find Saduke desktop wallpaper from the 'Desktop Nexus' website where they have many such wallpapers. They can also be found on 'Naruto Wallpapers'.
You can get PC wallpaper that contains fish online at websites such Desktop Nexus and Batkhela. You can also find animated fish desktop backgrounds at Softonic.
Currently no. It lacks the connectivity like you could with a desktop to a monitor. On HDTV's, and along with a Google Chromecast dongle, you can "cast" some media from the Nexus 7 to the TV.
One may find trippy desktop wallpapers for free on many sites on the internet. Such sites include but are not limited to: Desktop Nexus, Design Float, Wallpaper Bit, and Wallpaper Wide.
Harley Davidson is a very popular theme for desktop wallpaper. It can be obtained for free from a number of sites such as Power Passion, Motor Cycle free wallpaper and Motorcycle Desktop Nexus.
It appears you can only delete the auto backup pictures from the desktop version of Google+, while leaving the picture stored in the Nexus 7. If you want to delete the pictures from the Nexus 7 itself, you can do this through the Gallery, Google+ (Photos dropdown), or the Photos app.
Phone numbers for the most part are still preserved in the Nexus S' SIM card, as well as by Google. You can sign into your Gmail account, and look under Contacts on a desktop. As for pictures, if the Nexus S can still power on, you can connect it via USB to your desktop, and if you have the appropriate drivers downloaded, it should be able to read the folders in your phone. Look for the folder "DCIM", and from there, you can copy and transfer any images or video you may have.
Desktop Nexus and Bright Hub are two websites loaded with different Christmas wallpaper. Smashing Magazine also puts out a selection. American Greetings is another good source.
There are a number of websites that allow one to download moving wallpapers. They can be downloaded from sites such as 'Zedge', 'Softonic', 'Desktop Nexus' and 'PicGifs'.
Since the question doesn't specify what Nexus the person is comparing it to the Nexus S, here's the order of Nexus phones (and by manufacturer) to date: -HTC Nexus One -Samsung Nexus S -Samsung Galaxy Nexus -LG Nexus 4 -LG Nexus 5
Go to PC mine craft and download it and you have got it
Since the Nexus S, Google brought out the Galaxy Nexus, Nexus 4, and Nexus 5.