Playing by adobe photoshop indeed enjoy especially when you are know how to do it. Although i don't have any basic in adobe but i try to learn so hard that i can sharp my technique. The first lesson i learn about this adobe is to convert the photo to the sketch.
It is very easy when you know how to do it. There is many technique that you can use to convert your photo image to skecthing. Now i teach you how to do it in easy way.
It is very easy when you know how to do it. There is many technique that you can use to convert your photo image to skecthing. Now i teach you how to do it in easy way.
1. Open your file and click the Ctrl+Shift+U...your image will look like this.

2. After that duplicate your layer. Click Ctrl+J and then invert your image to look like negative film like below.To do that you just click Ctrl+I...

3. Next step adjust your layer to the Colour Dodge in Layer Pallete. Your image will look like blank white but don't worry.
4. After that,click on the filter and choose Blur and Gaussian Blur.Adjust the Radius to 5.8 pixels. You need to play this Radius until you satisfied.
5. Now your image is ready. Your image will look like below.

Enjoy it............