Is there an easier way to earn a quick couple of quid other than Qmee?

Sometimes I just need to earn a quick quid or two to top up my PayPal balance. I've just tried Qmee again after a long absence, but the amount of declines has reminded me why I dropped it in the first place.

I'm already with Prolific, but that requires waiting until studies become available so not something I can use whenever I feel like it.

Any other suggestions for just the odd £ or two?