Hi all, just looking for some advice here. I have a Canon Ixus 200 IS (PowerShot SD980 IS in the States). Can anyone tell me what the best settings are for the pixels? I have the options for:
12M, 8M, 5M, 2M, 0.3M.
The sensor size is only 1/2.3" (6.16x4.62 mm, 0.28 cm²) and I have it set to 8M pixels but should I up to to 12M or lower it? I read conflicting advice online

Secondly, the auto ISO keeps ISO quite high (250 for daytime indoor shots with flash, and 400 for night shots indoors). Can I simply force it to do 100 with no ill effects?
Photo 1. Indoors, daytime (dull), auto ISO (250)
http://www.discopanda.com/gallery2/d/12637-1/IMG_0035.jpgPhoto 2. Indoors, daytime (dull), ISO 100
http://www.discopanda.com/gallery2/d/12643-1/IMG_0037.jpgPhoto 3. Indoors, daytime (dull), ISO 80
http://www.discopanda.com/gallery2/d/12640-1/IMG_0036.jpgPhoto 4. Indoors, night, Auto ISO
http://www.discopanda.com/gallery2/d/12618-2/IMG_0173.JPGPhoto 5. Indoors, night, Auto ISO
http://www.discopanda.com/gallery2/d/12414-2/IMG_0006.JPGThey seem a bit 'rubbish'. Any help?
Thanks all!