"Fruit bulb"

 copy from : http://www.teachtutorials.com/

The photo before and after editing (click to enlarge the pictures):

• Open Image of a bulb.

• Open image of lemon.
• Select white area using Magic Wand Tool (Tolerance 32).

• Select > Inverse selection.
• Select > Refine Edge.

• Edit > Copy.
• Return to bulb document.
• Paste image of lemon into a new layer.

• Make a layer with lemon translucent temporarily.
• Transform lemon, using Free Transform and Distort.

• Correct form of Lemon using Liquify Filter.

• Copy layer of lemon.
• Blending Mode for a Layer of lemon is Multiply.
• Add Vector Mask. Click the vector mask thumbnail in the Layers palette or the thumbnail in the Paths palette.
• Correct edges of lemon using soft, round brush.

• Choose Image > Adjustments > Brightness/Contrast.

• Place copy of layer with lemon under original layer.
• Add Vector mask again.

• Erase some parts using soft round brush in Vector Mask.

Create shadow of bulb.

• Copy multiply layer and place it above bulb layer.

• Transform it using Free Transformation and Distort.
• Erase redundant areas using soft Eraser Tool.
• Choose Filter > Blur > Gaussian Blur.
• Opacity is 30-40%.

• Create a new layer.
• Paste image of segment of lemon.
• Transform it.

• Place layer of segment above bulb layer.

• Soften the distant plan of segment using soft Eraser Tool.

• Create a new layer (Blending Mode is Overlay).
• Draw white spots.

• Choose Filter >Blur > Gaussian Blur (15 - 22).

• Create a new layer.
• Set Blending Mode for layer Multiply, Opacity 72%.
• Fill layer with gradient (black/transparent)

• Add Vector Mask.
• Erase part of gradient using soft round brush.

And here is the result! Click for larger view.