more resources and suggested collabrative software application

http://www.photoshoproadmap.com/
some tutorials for photoshop

http://www.adobe.com/

the official website for Adobe programmes including photoshop

For question number five :
suggested collabrative software application :

http://picasa.google.com/
this programe can edit photos and effects to them

http://www.gimp.org/
this programe is similar to the photoshop and it can be replacement for it . It can edit photos and retouch them digitaly

finished examples of the tutorial

here are some examples of using photoshop Cs4 or other versions to create a very basic glass orb:


http://www.pxleyes.com

In this tutorial the instructor will show to create a blue orb with a glass effect.

psawesome

In this tutorial the instructor will show how to create a glossy orb with a reflection

photo shop tutoriual

In this tutorial the instructor will create a 3d glass orb using the 3d feature in photo shop this glass orb can be used as a logo element or a button for a flash project

A brief discribtion :

A brief discribtion : 
photoshop is very popular software among designers and photographers,although there are many popular softwares for editing photos photoshop remains the best choice for editing photos. There are many releases of this software, the most resent one is Adobe photoshop CS5 which has another release with it called Adobe photoshop extended which have features that can turrn your photo to a masterpieace.But I will talk about Cs 4 the previous version.

photoshop features completely new 3d engine allowing you to paint over 3d objects
convert gradient maps to 3D objects
add depth to layers and text
get print-quality output with the new ray-tracing rendering engine
exporting to supported common 3D formats; the new Adjustment and Mask Panels; Content-aware scaling
Fluid Canvas Rotation and File display options.
  works only on Windows – the OS X version is still 32-bit only

Using photoshop in education to create a powerful learning resources that every one will be attracted to it adding effects and enhancing photos for slide shows or create a 3d object for math classes using 3d objects feature in photo shop.