Unable to export a file with a transparent background that can be opened in PSP 7

[greeneyeddi]

Hi all!
A customer sent me a jpg -- she wanted the background removed and then a drop shadow added behind the main object. I was able to accomplish this in Photoshop with no problem. However, when I tried to send the file back to her as a PSd file she was unable to open it in PaintShopPro 7. I need help with how to save a file with a transparent background and drop shadow in a file format that PSP 7 is able to open. I tried sending a png instead (but may have saved incorrectly as I normally don't work with this file type), but on her end it showed the center picture surround by a large black splotchy area. Any suggestions? She says she is normally able to open png's with transparent backgrounds in PSP7 but for some reason my file doesn't show up properly. Any suggestions? Unfortunately she cannot afford to upgrade her graphics program and although I have compatibility set to maximize we just can't seem to get this figured out.
Many thanks!

[Hoogle]

save it as a png or tiff paintshop is not photoshop so will not recognise the file

[greeneyeddi]

Tried saving as a PNG and a TIFF--on her end the file showed a black splotchy area around the main subject as mentioned in my post above.

[Hoogle]

upload your psd here it could be a case that you have not refined your edge and there is still parts around it but without seeing the psd it will be hard to see what the problem is.

[greeneyeddi]

File is attached--any insight MUCH appreciated!
Thanks!

[Hoogle]

I would say the problem was at the other end I opened your psd all looked good and saved it as a png and still looked good. unless the splodginess is coming from the shadow But I doubt it

[greeneyeddi]

Thanks for looking at the file--I really appreciate it.
I want so much to get this file to the customer with the changes that I made in a format she can open..its bummin' me out big time not being able to.