eforcity.com has the generic NB-4L Lithium Ion Canon PowerShot Compatible Battery for $7 - $3 code CANONBB = $4 with free shipping. Compatible with a wide array of Canon PowerShot Digital Cameras including the SD750, SD1000, SD630, and many others.

MeritLine.com has the Flexible Mini Tripod for Digital Cameras for $7 with free shipping. It has a universal 1/4-20" screw that attaches to your camera. Weighs about 275g. Check out our review on a similar item.