If the plug-ins are not showing after running the installer, they can be installed into LightRoom 3 manually using the instructions below.

Please launch Lightroom 3 and go to File > Plug-in Manager
Click “Add” at the bottom left of the menu
A finder window will open to browse to the correct folder location (see path below)
Select the [...]

These instructions show how to access the onOne Plug-ins from Adobe Photoshop CS2, CS3, CS4, CS5, and Adobe Photoshop Elements.
The first step is to make sure you have an image open in Adobe Photoshop before attempting to access any of the onOne Software plug-ins.
Adobe Photoshop CS4 and CS5
There are two ways to access the onOne [...]

The first thing to check is to make sure Photoshop was closed during installation of the plug-in. If not, simply restart Photoshop. Once Photoshop is open, please go to Window > Extenstions > onOne
.
This will open the onOne panel giving you access to your product. Just open an image in Photoshop and choose your plug-in [...]

The license you agree to during installation allows you to install on to 2 computers for all products made by onOne Software. You will also be able to load on either Macintosh or Windows. If you need to install on to more computers please contact sales for more information.

Easy Installation Instructions
Step 1: Please make sure to have all applications closed (for example, Adobe Photoshop, Adobe Photoshop Elements, Aperture, and LightRoom)

Step 2: Load your DVD or CD (for download orders, unzip or unstuff the file you downloaded to launch the installer), and follow the installation instructions

Step 3: Once you have completed the installation, please [...]

Easy Installation Instructions
Step 1: Please make sure to have all applications closed (for example, Adobe Photoshop, Adobe Photoshop Elements, Aperture, and LightRoom)

Step 2: Load your DVD or CD (for download orders, unzip or unstuff the file you downloaded to launch the installer), and follow the installation instructions

Step 3: Once you have completed the installation, please [...]