I just did this and its instant,i got the A3 canvas for £5.95 delivered.
Your £5 has to be used between now and the 25th Dec.
click the link for all the details etc.
The Fine Print
•Just Click the Hi-£5 button above and you will be guided through the process.
•When the recipient receives a Xmas e-Card they will have the option to accept your £5 gift.
•When the recipient clicks "accept gift", £5 will automatically be added to their newly created online account.
•The recipient must accept Your gift by Xmas Day 2011 in order for the £5 to be added to their account. (this will be clearly stated on the Xmas e-Card they recieve)
•Only One £5 will be credited per valid recipient's email. Even if they receive more than one e-card.
•The system will automatically recognise existing Today's Great Deal customer's email addresses and will not send a Xmas e-Card or £5 Credit to them.
•Your Great Deal voucher will be valid from the 20th December 2011 to the 25th December 2011.