diff --git a/img/dprogramming.jpeg b/img/dprogramming.jpeg
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Binary files a/img/dprogramming.jpeg and /dev/null differ
diff --git a/lesson#21 - Aliased and Public Imports/main.d b/lesson#21 - Aliased and Public Imports/main.d
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--- a/lesson#21 - Aliased and Public Imports/main.d	
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@@ -1,7 +0,0 @@
-// ****** aliased imports, public imports ******
-
-import io = std.stdio;
-
-void main() {
-    io.writeln("hello, world!\n");    
-}
diff --git a/lesson#21 - More on Imports/main.d b/lesson#21 - More on Imports/main.d
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index 0000000..e69de29