$ egrep -o '<img[^>]+src="([^"]+)"' EM-0029-01.html 
<img src="/Images/topskip.gif"
<img name="Image36" border="0" src="/Images/Buttons/topnav_01.jpg"
<img name="Image261" border="0" src="/Images/Buttons/topnav_02.jpg"
<img name="Image271" border="0" src="/Images/Buttons/topnav_03.jpg"
<img name="Image281111" border="0" src="/Images/Buttons/topnav_05.jpg"
<img name="Image29111" border="0" src="/Images/Buttons/topnav_04.jpg"
<img name="Image301" border="0" src="/Images/Buttons/topnav_06.jpg"
<img name="Image311" border="0" src="/Images/Buttons/topnav_07.jpg"
<img name="Image321" border="0" src="/Images/Buttons/topnav_08.jpg"
<img name="Image331" border="0" src="/Images/Buttons/topnav_09.jpg"
<img name="Image341" border="0" src="/Images/Buttons/topnav_10.jpg"
<img name="Image35" border="0" src="/Images/Buttons/topnav_11.jpg"
<img src="../../../images/newmeatball.jpg"
<img src="../X-2_movie.jpg"
<img src="../../../images/skipit.gif"
<img align="right" border="0" hspace="5" src="../Thumb/EM-0029-01.gif"
<img src="../Thumb/E-5749.jpg"
<img src="../../../images/white.gif"
<img src="/Images/skipit.gif"

$ tok '<img[^>]+src="([^"]+)"' EM-0029-01.html 
/Images/topskip.gif
/Images/Buttons/topnav_01.jpg
/Images/Buttons/topnav_02.jpg
/Images/Buttons/topnav_03.jpg
/Images/Buttons/topnav_05.jpg
/Images/Buttons/topnav_04.jpg
/Images/Buttons/topnav_06.jpg
/Images/Buttons/topnav_07.jpg
/Images/Buttons/topnav_08.jpg
/Images/Buttons/topnav_09.jpg
/Images/Buttons/topnav_10.jpg
/Images/Buttons/topnav_11.jpg
../../../images/newmeatball.jpg
../X-2_movie.jpg
../../../images/skipit.gif
../Thumb/EM-0029-01.gif
../Thumb/E-5749.jpg
../../../images/white.gif
/Images/skipit.gif