Pageflakes
To add OnOneMap to your Pageflakes homepage, visit the page and click "Add Feed" to the top right.
Enter the URL "http://ononemap.com/widgets/pageflakes" in the text field that appears under the words "Add your own".
Click the "Get feed" button. You should see the words "Available content" appear above "OnOneMap" and a button marked "Add to my page". Click "Add to my page".
You will see the OnOneMap search box appear in the centre of your screen, surrounded by a grey border. Click the "Add to page" button to add it to your page.