ARD, screen share and a second monitor

I have a 2008 20 inch iMac and 13" aluminium macbook. I wanted to use the iMacs screen with my macbook and decided to get ard (as it was kind of cheap on the app store).
I was a bit disheartened when I found that, when controlling the macbbok from the imac, I couldn't make the window go full screen. I understand this was a resolution issue that couldn't be gotten around.
However did find out that if set used ARD's screen share (rather than the light version that comes with OSX) that I could get full screen by reducing the resolution of the iMac.
However when I plug an external monitor into the macbook it all goes wrong. If I am using the OSX version of screen share (light) then I can choose to show only one display. If I use the ARD version I don't have that option and can only view both screens.
What I had hope for was to be able to use the fullscreen capability of ARDs screen share with my macbook with a second screen attached, but only view the macbook screen on my iMac.
Is there a way of achieving this with ARD. Or am I going to have to try an alternative software?
Thanks
Gareth

The obvious choice for an Apple display is the 24-inch LED (backlit) Cinema Display. It as the same Mini DisplayPort connector, and it will give you a few more USB ports. But it as some extra features that may not be necessary for use with an iMac, such as its own iSight camera, built-in speakers, and a power connector for use with MacBooks. And it costs $899 retail. But it would certainly look nice next to an aluminum iMac.
http://www.apple.com/displays/
For a non-Apple display, there are many choices. They are generally cheaper. The standard digital connector is DVI. You can also use a display with a VGA connector, but DVI would be better if you are getting a new display. If your iMac is a 24-inch model, its built-in display has 1920x1200 native resolution. That would be a good choice for an external display, typically 23 or 24 inch. You can go all the way up to 2560x1600, which is typically a 30-inch display (including Apple's model). You can even get one with Dell branding that works.
http://eshop.macsales.com/item/Dell/3007WFPHC/
Your choice depends on how much you can afford to spend and how big (in terms of resolution) you want it to be.

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ÇÇÇ

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