Until 31/10/16 any new friends you bring aboard to giffgaff will now get £10 free credit.
(£5 will appear as soon as they activate and another £5 within the following 48 hours).
You just have to order you card (free postage too). Send me an email to get the link (as I can't paste it here) or mentioned my Membername: peroba when ordering
From 01/11 sill be £5 free credit instead.