CDN for Cubieboard SDcard images:
Linux-Sunxi Wiki

Files:
Cubieboard A10 w/ 1024MB Ram - Image
Cubieboard A10 w/ 1024MB Ram - MD5 for Image
Cubieboard A10 Android TV 2.2 w/ 1024MB Ram - Image
Cubieboard A10 Android TV 2.2 w/ 1024MB Ram - MD5 for Image
Cubieboard A10 w/ 512MB Ram - Image
Cubieboard A10 w/ 512MB Ram - MD5 for Image
sunxi-spl.bin
u-boot.img
u-boot-sunxi-with-spl.bin