In Photoshop, how do I line up 3 pictures side by side?

[dougs]

Maybe a gap seperating each other picture? Its a series of different shots on a same object actually.

Hope someone can teach me!

thanks in advance..

 

[grantyale]

So many ways to do it:
1) simply nudge them into place;
2) expand the canvas of individual pictures before puting them into layers of a single file;
3) convert each into a smart object and use distribute
4) use guides
...