Some of Britain's top actors, writers, illustrators and sportsmen and women have designed envelopes to be sold on auction website eBay from 9 October. The auction will be open for 10 days.
Among the 50 contributors are actors Bill Nighy and Jonathan Pryce, author Joanne Harris, England goalkeeper David James and children's book illustrator Rod Campbell.
The initiative, sponsored by mail technology company Pitney Bowes, has raised more than £21,000 over the past three years.
WellChild, the Samaritians and Friends of the Earth have each received £50,000 from sales of tickets to Innocent's Village Fete event. The smoothie manufacturer held village fetes across the UK in the summer.
Save the Children's Ayr branch hosted its 14th annual art exhibition and sale this week. The event featured work by more than 160 of Scotland's professional and amateur artists. It has raised more than £187,000 for the charity since 1993.
Merlin, the specialist medical charity, aims to recruit 400 monthly givers through its first television campaign in November, using footage shot by the charity's staff. The advert by charity media specialist Thinkdtv highlights the three areas of Merlin's work: conflict, disasters and healthcare collapse.
The RNLI will launch a virtual gift website in October. Site visitors will be able to buy virtual gifts and donate to the charity.