You would have to create the sprites yourself.
Basically, any animation involving an event (such as picking up an item or examining something) you would switch the player's sprite sheet to the action animation. (And turn it back to the normal sheet at the end of the event.) You could probably do something similar for an idle animation. You may need a plugin to determine if the player has stopped moving, I am not familiar enough with scripting to say if you can just use a script call to check. (The idle animation would be set to a parallel event.)
In general the sprites follow a 3x4 rule. (3 across, 4 down.) Everyone has their own method for animation. I use photoshop, because of the layers, and make each animation cell on top of the other to make sure I have it looking correct. Then I put the sheet itself together. The character HUD (I think that is what it is called) is a useful tool, from what I have heard, for making sprite sheets.