The image adjusting software should be the ArcSoft PhotoStudio which came with the camera. It is on a CD.
Load it up.
Open it up and select a photo to adjust the size.
Click Image Size.
Then start to work with the width or height and check "Keep Aspect Ratio" unless you want to stretch the photo a bit.
That should do it. Save it with a new name such as (old name)small.
Let me know if this is a good solution for you.
Nice camera by the way. Highly Recommended.
For a full review of your camera see:
Here is the summary conclusion:
Canon has taken a popular camera and added just enough to make it even better. It's questionable whether you really need the extra million pixels for 'snapshots', but the results in this test show that the A95 has the optics and processor needed to squeeze the maximum possible information out of a scene. I was impressed by the build quality, and pleasantly surprised at just how good the results the A95 produces are. It's a lot smaller than the G5, but a lot easier to handle and a lot more stable in your hands than many of the 'sexier' ultra compact 5MP models on the market. It also has a feature set that rivals many cameras considerable more expensive.
If the A95 proves anything it is that you don't need to spend a huge amount of money to get stunning results, a metal body and a wealth of photographic controls. Whether you're an absolute beginner - for whom the extensive new subject modes are ideal - or a seasoned snapper wanting total control, the A95 should certainly be on your shopping list if you're on a tight budget. You can get faster, nicer looking, sleeker and more polished 5MP 3x zoom compacts, but you'll struggle to get considerably better results without spending a lot, lot more money.