catsith wrote:thanks so much gary. I had so much fun trying all sorts of settings etc, trouble is, i can't remember what i did!!

All the information is in the EXIF that is included with each image.
This is the EXIF-info for the white tulip:
File: - C:\Tmp\03674b46.jpg
Make - Canon
Model - Canon PowerShot S2 IS
Orientation - Top left
XResolution - 180.00
YResolution - 180.00
ResolutionUnit - Inch
Software - Adobe Photoshop CS2 Windows
DateTime - 2006:05:14 12:37:52
YCbCrPositioning - Centered
ExifOffset - 228
ExposureTime - 1/125 seconds
FNumber - 4.00
ExifVersion - 0220
DateTimeOriginal - 2006:04:24 21:01:32
DateTimeDigitized - 2006:04:24 21:01:32
ComponentsConfiguration - YCbCr
CompressedBitsPerPixel - 3 (bits/pixel)
ShutterSpeedValue - 1/125 seconds
ApertureValue - F 4.00
ExposureBiasValue - 0.00
MaxApertureValue - F 2.71
MeteringMode - Center weighted average
Flash - Not fired, compulsory flash mode
FocalLength - 6.00 mm
UserComment -
FlashPixVersion - 0100
ColorSpace - sRGB
ExifImageWidth - 840
ExifImageHeight - 680
InteroperabilityOffset - 988
FocalPlaneXResolution - 2844.44
FocalPlaneYResolution - 2857.14
FocalPlaneResolutionUnit - Inch
SensingMethod - One-chip color area sensor
FileSource - DSC - Digital still camera
CustomRendered - Normal process
ExposureMode - Auto
WhiteBalance - Auto
DigitalZoomRatio - 1.00 x
SceneCaptureType - Standard
It includes the apperature (F4), shutter speed (1/125) and more.
This is one of the great bonusses of shooting digital. You can always check the settings of the camera and the lens used.
Olga