Selecting and working with layers - Apple exercise
1 Open image Fruit.jpg  
2 Double click inside Hand Tool  
3 Magnify apple by "drawing" rectangle with Zoom Tool  
4 Select Lasso Tool and holding Alt key click around apple (don't drag). When you get around to starting point release the Alt key.  
5 Ctrl > C or Edit > Copy  
6 Ctrl > N or File > New.  Type 600 Width and 600 Height - White  
7 Ctrl > V or Edit > Paste.  Select Move Tool and move pasted apple away from the centre.  Repeat pasting 10 times.  Notice creation of new layers  
8 Edit > Free Transform to rotate and resize one of the apples (make it 3 times bigger).  When done hit enter key to apply.  
9 Change order of the layers by dragging big apple to the bottom and top of the layers  
10 Add a layer styles to one of the apples (layer)  
11 Apply different filter to each apple (layer)  
12 Click on Background Layer, select Gradient Tool and experiment with different options  
13 Make one of the apple lighter, and increase contrast by selecting:
Image > Adjustments > Brightness/Contrast...
 
14 Make one of the apple more red by selecting:  Image > Adjustments > Color Balance...  
15 Make one of the apple loose red color by desaturating red:  Image > Adjustments > Hue/Saturation...  
16 Use Type Tool to sign your artwork  
17 Create warped text from your signature  
18 Repeat above steps by selecting yellow and red roses from original image