Saying thank you properly really is a golden opportunity for fundraisers. Here in this special edition of SOFII stars is all you need to know to make the most of it. Enjoy!

SOFII's thank-you letter clinic, from Lisa Sargent. How to write a better thank-you letter (and why it matters)

WWF Canada: a welcome pack to show new donors they're appreciated

Greenpeace Australia Pacific: constructing a welcome process

ISRT: a thank-you letter and welcome pack on one sheet of paper

ActionAid's welcome to child sponsorship package: You and me together.

Station WNED, Buffalo and Toronto: thank-you card to a donor

Station WDCN, Nashville, USA: award-winning special thank you

Welcome's not always working: mystery shopping tests

NSPCC's Little Book of Change: every donor is special

Farm Africa: a thank-you letter with a gift

St Michael's Hospital Foundation: a special book to thank volunteers

In lieu of flowers: how to write lively memorial donation thank-you letters

Greenpeace UK's Rainbow Warrior III thank-you video

Send a Cow: a thank-you drive unites the organisation and their donors

Operation Smile special 'thank-a-thon' for loyal donors

GLFB Christmas card and thank-you card tests. Which worked best?

Specially for you: some thank you letters for you to swipe

And some more, for in-memoriam moments

'Any fundraiser who doesn't properly thank a donor is an idiot as well as rude.'

Jo Habib, author
Tiny Essentials of Raising Money from Foundations and Trusts