If you haven't heard of him, Dexter is a serial killer with a conscience. He only kills killers and criminals, not the innocent. He's also the star of one of the hottest TV shows around.

This theme features wallpapers to completely customise your phone, plus a ringtone of the TV show's theme tune. Want to give your phone a killer revamp? Give this theme a download.

You can easily download this set of wallpapers onto your Sony Ericsson C905.

If you're not aware of Dexter yet, you're missing out. He's one of TV's top new heroes, despite being a serial killer. Yep, the Dexter TV show has a strange premise.

To install the Dexter theme on your Sony Ericsson C905, follow these instructions:

1. Download the dexter_c905.thm file onto your PC
2. Transfer the file to your C905 using the bundled cable or Bluetooth
3. When prompted, click to save
4. To install, click 'yes' when it asks if you want to install the theme

Download the Dexter theme for the Sony Ericsson C905

Spongebob's back and this time he wants free reign over your mobile. This Spongebob Squarepants theme will give your Sony Ericsson C905 a complete makeover, with new backgrounds and a new ringtone and text message alert.

This Spongebob theme features several images of the character, all tailored to the interfave of your phone. Infect your phone with Spongebob's slightly unhinged brand of jollity with this fantasically yellow theme for the Sony Ericsson C905.

To install the Spongebob Squarepants theme on your Sony Ericsson C902, follow these instructions:

1. Download the spongebob_c905.thm file onto your PC
2. Transfer the file to your C905 using the bundled cable or Bluetooth
3. When prompted, click to save
4. To install, click 'yes' when it asks if you want to install the theme

Download the Spongebob Squarepants theme for the Sony Ericsson C905

The console wars are always hard fought, but Sony has upped its game with a new lower-priced PS3 Slim console - and it's just as pretty as its slick predecessor.

We've made a phone theme for your Sony Ericsson that takes the style of the Sony games console and brings it to your mobile. It's got new backgrounds, new menu visuals and all the best bits from that sleek Playstation style.

Best of all, it's free - which is more than be said for Sony's premium games console, price drop and all.

To install the Sony PS3 theme on your Sony Ericsson C905, follow these instructions:

1. Download the ps3_c905.thm file onto your PC
2. Transfer the file to your C905 using the bundled cable or Bluetooth
3. When prompted, click to save
4. To install, click 'yes' when it asks if you want to install the theme

Download the Sony PS3 theme for the Sony Ericsson C905

There's a group of shows that make cartoon watching acceptable for adults. Right up there with the best of them is Futurama. It's a sci-fi flavoured comedy with a cast you can't help but love. Excuse us while we well up a little.

This free Futurama theme for the Sony Ericsson C905 features both a full visual makeover for your phone plus a few audio treats to enrich your mobile too. It's got the show's theme tune as a ringtone plus a classic quote from Bender as the text message alert.

The Futurama theme for the Sony Ericsson C905 is simple to install on your handset. Just follow the instructions below.

1. Download the file futurama_c905.thm to your PC or Mac by clicking on the link below
2. Then use the supplied USB cable or set up a Bluetooth connection to transfer the theme file across to your Sony Ericsson C905 handset
3. You will then be prompted that a new theme has been received. Click on Set to install the theme
4. If you want to change the theme back simply go to the main menu, click on Settings then Display and then Themes and select the theme you want to change back to

Download the Futurama theme for Sony Ericsson C905

You can give your phone an overhaul by changing its theme, but sometimes the ones included with your phone just aren't enough to satisfy.  We've gathered together ten of our favourite animated themes for the Sony Ericsson C905 to give your phone a bit of a boost.

To install these themes, just download them using the links below and then transfer them to your phone using bluetooth. If your computer can't find your phone, make sure the bluetooth function is turned on from within the 'settings' menu option, and that your phone is set to 'visible' from within the bluetooth connectivity options.

Note: all these themes are free to download although some sites require registration.

1. Citybeat
   An animated cityscape that looks like musical waveforms, Citybeat has fantastic visuals that'll give you phone a real air of sophistication. Nice.
   Download City Beat theme



2. The Matrix
   Almost 10 years after the sci-fi blockbuster was released and still those neon green falling bits and bytes maintain their power to thrill. Who cares if they used Nokias in the movie?
   Download The Matrix theme




3. Purple Sky
   A tasteful abstract theme, Purple Sky is a cracker - and we bet Prince would love it too.
   Download Purple Sky theme



4. Musaic
   Musaic takes the look of the Sony Ericsson walkman player and makes it into a theme for the rest of your mobile. Handy.
   Download Musaic theme


5. Light Flow
   A simple blue flame on a dark background. Subtle but strangely mesmeric.
   Download Light Flow theme


6. Aurora
   Similar to the above but with a nice North Pole and Aurora Borealis animated standby screen.
   Download Aurora theme


7. Walkman Animated
   Another cracking animated Flash Lite theme cooked up by the Sony Ericsson boffins.
   Download Walkman Animated


8. Spooky Skull
   Not very sophisticated but we liked the idea of Death giving us the finger.
   Download Spooky Skull theme


9. Orange Walkman
   Another Walkman brand-focused theme - this one brings in the orange hues witha nice animated water effect on the standby screen.
   Download Orange Walkman theme


10. The Eye of Sauron
    This theme has a Lord of the Rings flavour with The Eye of Sauron flickering and smouldering away in this animated wallpaper.
    Download Eye of Sauron theme