Well it depends how you cut out the background.

I don't have a lot of time to give explanation cause I'm going to sleep but you can check this thread on the Shutterstock forums.

Cheers,

Math

I am doing isolations with Photoshop Elements 2. And they get accepted. So Elements 5 should be ok. Do not buy CS2 just to isolate objects! I agree with the others. It probably depends on your technique not on Photoshop.

I think that the best way to isolate objects is to shoot them on white. Isolation at post-processing stage is at best difficult and at worst impossible.

... select Magic Selection Brush Tool F ...

vphoto

Forget it.

It's near on impossible to get decent isolations with magic brush tool, or the lasso, or any automation. And you are very unlikely to get them past the inspectors if yopu do them this way.

The only way to be sure (if you're going to use this method) is to hand draw the outline with the pen tool. But - depending on what you're isolating - it's a heck of a job.

so, since Elements do not have  Pen tool, I need to get Photoshop itself, right ?

vphoto

I think that the best way to isolate objects is to shoot them on white. Isolation at post-processing stage is at best difficult and at worst impossible.

With Photoshop everything is possible!





Those images are old, I'm sure I would do a better job right now with CS3.

I go into Full Edit, select Magic Selection Brush Tool F, select the object, do Inverse Selection, do go to Edit Fill Selection and Fill it with white. Last step Deselect. Then I zoom in the image and see that the time has been wasted, since the brim of the image is punctuated with lots of white wholes. Very frustrating.

I never use fill, I just delete the selection, but one important step I think you're missing is using feather (in PSP, I believe it's the same name in PS) to give a smooth transition.

I agree the automated selections don't work well in general.  I often use them for a rough selection, I contract the selection and delete that part.  Then I trace a line manually around the subject, use feather, delete. 

Regards,
Adelaide

I have a constant problem when isolating objects with Photoshop Elements 5. Every isolated
object has lot of tiny white holes on the rim of the object after i separate it from background.

Jaggies? It sounds so obvious, but did you check the anti-alias checkbox in your selection tool? (a feather of 1 pixel in excess should get rid of all jaggies - excellent for 10MP shots).