How to make Model skelet

[SoldinHeaven]

I wan't to make weapon hold type and walking type from this :
[url=http://solidfiles.com/d/bd3V][img]http://cdn.solidfiles.net/t/bd3V.png[/img][/url]
you see its looks like walking statue i need know how i can fix it ?
To look like this :
[url=http://solidfiles.com/d/mFnK][img]http://cdn.solidfiles.net/t/mFnK.png[/img][/url]
I need it can walk and have holding type walking type like skeleton