A good choice for your first try would be Glimmerick's Doll House collection:http://www.spoonflower.com/collections/7784
Also, have a look at Cean Irminger's work
http://www.spoonflower.com/fabric/465004
I have several fabrics available:
http://www.spoonflower.com/profiles/dhawktx?filter_action=recent&info_action&nav_action=shop&shop_selection=recent&sub_action=new_profile
And the general tag of 'doll' http://www.spoonflower.com/tags/doll
Just complete the order within the time period and go through the full checkout process, even though the total will be zero.
http://blog.spoonflower.com/free-swatch-day-spoonflower.html
FREE SWATCH DAY starts at noon!! From noon today (EST) until noon on Friday, August 19th (EST) you can add a single swatch to your cart free of charge. We hope you'll consider making a donation to Heifer International during checkout. Thanks so much for being here!