Just go to the following link : http://www.192.com/surveys/surveyQA.cfm?surveyID=1&surverygroupID=1&emailAddress=YOUREMAIL%40YOURPROVIDER.com&link=SEARCHNOW
Replacing YOUREMAIL@Yourprovider.com with your own email (the one you use to register @ 192.com then fill out a 10 second survey to recieve 2 search credits; around £6 worth. No expiry as they go into your "addittional searches" total.
Hope it's useful to someone :)
NOTE: please make sure you complete this before wednesday if you want the search credits.