Button cover designs (including tiny flamingo) and heirloom wingneedle designs: http://www.hopeyoder.com/shop/category.asp?catid=13
Page of designs including redwork, appliqué and fill:
http://www.designsbyjuju.com/freedesigns.aspx
Two pages including: talk bubbles, chocolate bunny, horseshoe, Planet Saturn Appliqués; ITH business card holders and Christmas related designs:
http://digistitches.com/free-embroidery-designs/cat_26.html
3 free designs/week plus free projects, tutorials, etc.
http://freeembroiderystuff.embroiderydesigns.com/stockdesigns.aspx
Login here and fill the cart:
http://www.embroideryonline.com/products/specialdeals.aspx
A page of cross stitch designs can be found here:
http://designstash.com/store/index.php?main_page=page_4
216 free designs here:
http://www.sewforless.com/category/Free_Embroidery_Designs/c400
Freebie page plus designs scattered throughout sets:
http://calicocallie.com/freebies.htm