Simple, Copy the search words into google Images search and have fun:
(remember to keep Moderate SafeSearch on)

1. Angry Baby
2. Sad cat
3. Smiling dog
4. smiling cat
5. depressed dog
6. smoking baby
7. funny face
8. funny Bush
9. smiling monkey
10. funny USB
11. funny michael jackson
12. baby finger
13. crazy dog
14. funny hair
15. funny T-shirt
16. Office prank
17. funny windows

Finally Try this one:

google_chuck_norris

May be you can add some to the collection?

If you like it .. Digg it!