Two great resources for free sermons and first rate teaching are:

http://sermons.redeemer.com/store/

and

http://www.desiringgod.org/

One of the ways we seek to live out our submission to the Lordship of Jesus Christ is by encouraging one another to buy fairly traded products when possible.  Here are some links that you might find useful:

www.peopletree.co.uk - fairtrade fashion using organic cotton.

www.tearcraft.org - handcrafted home, gift and jewellery items to benefit craftsmen from poorest communities.

www.ethicalsuperstore.com - ethical gifts, eco-friendly gadgets, fair-trade, organic groceries.

www.premier.org.uk - innovative products sourced with care for mankind and the environment. 

www.oxfam.org.uk - virtual gifts, fairtrade etc.