diff --git a/README.markdown b/README.markdown
index 09c4d1d..8b6a300 100644
--- a/README.markdown
+++ b/README.markdown
@@ -27,6 +27,10 @@ And then in any new shell just use the installed version:
 
     nvm use v0.4.1
 
+Or you can just run it:
+
+    nvm run v0.4.1
+
 If you want to see what versions are available:
 
     nvm ls
@@ -39,3 +43,12 @@ To set a default Node version to be used in any new shell, use the alias 'defaul
 
     nvm alias default v0.4.1
 
+## Problems
+
+If you try to install a node version and the installation fails, be sure to delete the node downloads from src (~/.nvm/src/) or you might get an error when trying to reinstall them again or you might get an error like the following:
+    
+    curl: (33) HTTP server doesn't seem to support byte ranges. Cannot resume.
+
+Where's my 'sudo node'? Checkout this link:
+    
+    https://github.com/creationix/nvm/issues/43
diff --git a/nvm.sh b/nvm.sh
index d8ff132..b72bd0d 100755
--- a/nvm.sh
+++ b/nvm.sh
@@ -88,6 +88,7 @@ nvm()
       echo "    nvm install <version>       Download and install a <version>"
       echo "    nvm uninstall <version>     Uninstall a version"
       echo "    nvm use <version>           Modify PATH to use <version>"
+      echo "    nvm run <version> [<args>]  Run <version> with <args> as arguments"
       echo "    nvm ls                      List installed versions"
       echo "    nvm ls <version>            List versions matching a given description"
       echo "    nvm deactivate              Undo effects of NVM on current shell"
@@ -99,6 +100,7 @@ nvm()
       echo "Example:"
       echo "    nvm install v0.4.12         Install a specific version number"
       echo "    nvm use 0.2                 Use the latest available 0.2.x release"
+      echo "    nvm run 0.4.12 myApp.js     Run myApp.js using node v0.4.12"
       echo "    nvm alias default 0.4       Auto use the latest installed v0.4.x version"
       echo
     ;;
@@ -134,8 +136,17 @@ nvm()
         nvm use $VERSION
         if ! which npm ; then
           echo "Installing npm..."
-          # TODO: if node version 0.2.x add npm_install=0.2.19 before sh
-          curl http://npmjs.org/install.sh | clean=yes sh
+          if [[ "`expr match $VERSION '\(^v0\.1\.\)'`" != '' ]]; then
+            echo "npm requires node v0.2.3 or higher"
+          elif [[ "`expr match $VERSION '\(^v0\.2\.\)'`" != '' ]]; then
+            if [[ "`expr match $VERSION '\(^v0\.2\.[0-2]$\)'`" != '' ]]; then
+              echo "npm requires node v0.2.3 or higher"
+            else
+              curl http://npmjs.org/install.sh | clean=yes npm_install=0.2.19 sh
+            fi
+          else
+            curl http://npmjs.org/install.sh | clean=yes sh
+          fi
         fi
       else
         echo "nvm: install $VERSION failed!"
@@ -210,6 +221,20 @@ nvm()
       export NVM_BIN="$NVM_DIR/$VERSION/bin"
       echo "Now using node $VERSION"
     ;;
+    "run" )
+      # run given version of node
+      if [ $# -lt 2 ]; then
+        nvm help
+        return
+      fi
+      VERSION=`nvm_version $2`
+      if [ ! -d $NVM_DIR/$VERSION ]; then
+        echo "$VERSION version is not installed yet"
+        return;
+      fi
+      echo "Running node $VERSION"
+      $NVM_DIR/$VERSION/bin/node "${@:3}"
+    ;;
     "ls" | "list" )
       print_versions "`nvm_ls $2`"
       if [ $# -eq 1 ]; then