I spend a few hours to look up and check many websites and finally found a great web. There are lot of tutorials and plugins and effects download which are very useful for designers. You can find ideas from these for your own works.
Link: http://www.cgtutorials.com/
Thanks to all comments, I did fix some from my first poster. Here's the final one.
I did use some effects in this poster.
1. I used render/sketch/ pen effect (PS) for my 2 tiger pictures to make it old and quite impressive.
2. Render/Posterize (PS) for whole poster
3. Lighting Effect
However, this poster is quite dark and if u wanna try to make a poster like this one you can fix the darkness . It will be better.
Finally, these are pictures i did use.
‘Yawning tiger’, 11th Aug 2006, stock.xchng, viewed on 27 July 2008 http://www.sxc.hu/photo/589945
‘White tiger’, 9th Oct 2007, stock.xchng, viewed on 27 July 2008 http://www.sxc.hu/photo/886056
“Old notebook”, 26th Aug 2007, stock.xchng, viewed on 27th July 2008, http://www.sxc.hu/photo/858303
‘Wallpaper for MAC OS X Tiger’, 19th May 2005, Techspot, viewed on 27 July 2008 http://www.techspot.com/gallery/showphoto.php/photo/535/ppuser/1