In the meantime why not download some free colouring resources from Vera McLuckie and the Daydream Club (for personal and educational use only please!).
The PSHE Association is dedicated to providing guidance on resources relating to personal, social, health and economic well-being in schools. This is much-needed given PSHE isn't a statutory part of the school curriculum in the UK. However government guidance states that all schools should make provision for PSHE using best practice, signposting educators to this organisaiton.
Most teachers in the UK will be familiar with the excellent resources available from the Times Educational Supplement (TES) website.
A rather good US website where teachers produce and share resources on an open marketplace.
Teachers sharing ideas on how to reduce the teaching workload