doc: imgs follow wiki:Submitting/Docs (better graphical index)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@72310 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.albedo/i.albedo.html

@@ -22,7 +22,7 @@ i.albedo -l input=lsat5_1987_10,lsat5_1987_20,lsat5_1987_30,lsat5_1987_40,lsat5_
 </pre></div>
 <p>
 <center>
-<img src="albedo_landsat5.png" alt="i.albedo LANDSAT-TM5 1987 example"><br>
+<img src="i_albedo_landsat5.png" alt="i.albedo LANDSAT-TM5 1987 example"><br>
 <i>Figure: Resulting albedo map from LANDSAT 5</i>
 </center>
 <p>
@@ -34,7 +34,7 @@ i.albedo -l input=lsat7_2000_10,lsat7_2000_20,lsat7_2000_30,lsat7_2000_40,lsat7_
 </pre></div>
 <p>
 <center>
-<img src="albedo_landsat7.png" alt="i.albedo LANDSAT-TM7 2000 example"><br>
+<img src="i_albedo_landsat7.png" alt="i.albedo LANDSAT-TM7 2000 example"><br>
 <i>Figure: Resulting albedo map from LANDSAT 7</i>
 </center>