The Sign Language Word Reference Guide lists words found in sign language dictionary resources online, along with links to the dictionaries that have the sign. Each dictionary presents signs differently -- some have video, others have graphic illustrations or animated graphics.
In addition, About.com:Deafness has several mini sign language guides for signs for things such as animals, body parts, colors, numbers, school, and more. Plus, there are mini sign language guides for holidays such as Christmas, Halloween, Thanksgiving, and Valentine's Day.
The signs for the words below can be found in the sign language dictionaries mentioned in Sign Language Dictionaries Online:
Babble - Bad Badge - Banana Band - Baptize Bar - Base Baseball - Battery Battle - Beat Up Beau - Beeper Beer - Belief Believe - Beside Best - Bicycle Bid - Binder Binder Paper - Bite Bitten - Blast Blast Off - Blood Blood Pressure - Board Boast - Book Bookcase - Both Bother - Boyfriend Boy Scout - Brave Bread - Bring Bring Here - Brother in Law Brotherhood - Buggy Bugler - Bump Bun - Burp Burrito - Butterfly Butt In - Bye