Unfortunately its only for VGA Devices on QVGA it might have messed-up graphics
Download and Install the Manila interface from 
here
After that download the attachment from this post there is a 2 dll files.
Download, copy them to manila folder and you’re done
I have NOT tried this myself , plz do reply back about your experience with this interface
Source : xda-developers.com
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{ 5 comments… read them below or add one }
heyy…
I actually got this working on a QVGA device(HTC Prophet) and you were right..the graphics and interface is pretty messed up on QVGA devices…
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Saijo George : Thanks for letting us know about it.
By the way , there are some new themes available that gives some sort of Manilla Look to the Today Screen
Hello
I tested it on a HTC3300.
It install’s it correctly without errors, after placing the dll files in de manila folder it will start up, but the menu isn’t displayed correctly.
So it does not work properly so far
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Saijo George : Its meant for VGA screen Devices so chances of that working on HTC 3300 is remote, but I have seen so gr8 themes that give a good feel of the Manilla Interface ob the QVGA devices, I will try and post it later tonight
Dear Syr,
Manila interface dont work in my phone HTC 5500 dual touch
Thank you
PC. I download your DLL link
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Saijo George : This is meant for VGA devices and I do believe HTC Touch is a QVGA device, so it wont run properly on the touch dual. But You can Try the Touch Diamond theme , Comm Manager, Keyboard
Hy Saijo, did you ever post the links to those Manila themes for the today screen?
check these out there are a few there : http://www.1800pocketpc.com/?s=manila or try http://www.1800pocketpc.com/2008/08/04/throttlelauncher-093-beta-finger-friendly-launcher-for-windows-mobile.html