Sniffer dogs aren't always THAT good. Ive walked past one in the train station last week (shitting myself whilst doing so), it sniffed my leg and let me go, even though I'd been smoking a couple of hours before and had a teenth in my pocket.
Saw the advert in my 30 seconds of accidental TV watching. Its only valid this weekend but the Mirror newspaper is giving away one 11w and one 9w bulb with every paper purchased, and iirc they only cost about 50p each. Perfect for side and under lighting, or just lots of them as a main light as...