ModDB have posted 5 video tutorials guiding you through the basics of mapping with Half Life 2 using the free Source SDK base:
<center>Tutorial 1/5</center>
You can view all 5 videos including a full FAQ here at ModDB.
These tutorials were designed to help beginners in mapping from the time you will learn how to create a simple room with npc's, guns, doors and more. Please watch the rest of the tutorials and read the FAQ before asking questions.
A simple tutorial on how to create your very first map for half-life 2 using the Hammer Editor supplied by Source SDK.
<center><object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/4n0NUJ_6dbU&hl=en"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/4n0NUJ_6dbU&hl=en" type="application/x-shockwave-flash" wmode="transparent" width="425" height="344"></embed></object></center>A simple tutorial on how to create your very first map for half-life 2 using the Hammer Editor supplied by Source SDK.
<center>Tutorial 1/5</center>
You can view all 5 videos including a full FAQ here at ModDB.