Hey if you want demos for all those exercises here you have:

http://www.physicalfitnet.com/exercise_ ... chest.aspx

A certified personal trainer answers: How many times a week should I lift weights to see results?
http://www.physicalfitnet.com/ask_the_f ... ts-35.aspx

Try some of these:
http://www.physicalfitnet.com/workouts_ ... y/all.aspx

A certified personal trainer can answer that:

http://www.physicalfitnet.com/ask_the_f ... ts-35.aspx

Here you have 2 experts video answers to your question: http://www.physicalfitnet.com/ask_the_fitness_experts/is_it_possible_to_lose_fat_and_gain_muscle_at_the_same_time-1.aspx http://www.physicalfitnet.com/ask_the_fitness_experts/can_i_gain_muscle_and_lose_fat_at_the_same_time_and_if_so_how_should_...

Here you have some no equipment exercises you can try out
http://www.physicalfitnet.com/exercise_ ... pment.aspx

If you need a demonstration of clean and shoulder presses.
http://www.physicalfitnet.com/exercise_ ... lders.aspx
Good luck

What is the best way to work the core?
View a video response by an exercise science professor:
http://physicalfitnet.com/ask_the_fitne ... ore-3.aspx

An exercise science professor video answers your question:
http://physicalfitnet.com/ask_the_fitne ... ime-1.aspx

Well here you have a lot from where to pick:

Bicep Exercises:
http://physicalfitnet.com/exercise_vide ... iceps.aspx

Tricep Exercises:
http://physicalfitnet.com/exercise_vide ... iceps.aspx