Adjusted image size to be more uniform

Author: w-azure

articles/iot-edge/about-iot-edge.md

@@ -61,7 +61,7 @@ The Azure IoT Edge runtime runs on a large set of IoT devices that enables using
 
 It's difficult to manage the software life cycle for millions of IoT devices that are often different makes and models or geographically scattered. Workloads are created and configured for a particular type of device, deployed to all of your devices, and monitored to catch any misbehaving devices. These activities can't be done on a per device basis and must be done at scale.
 
-Azure IoT Edge integrates seamlessly with [Azure IoT Central](/azure/iot-central/) to provide one control plane for your solution's needs. Cloud services allow you to:
+Azure IoT Edge integrates seamlessly with [Azure IoT Central](../iot-central/index.yml) to provide one control plane for your solution's needs. Cloud services allow you to:
 
 * Create and configure a workload to be run on a specific type of device.
 * Send a workload to a set of devices.

articles/iot-edge/media/quickstart-linux/add-marketplace-module.png

@@ -155,7 +155,7 @@ Run the following PowerShell commands on the target device where you want to dep
 
 1. Enter 'O' or 'R' to toggle **Optional diagnostic data** on or off, depending on your preference. A successful deployment is pictured below.
 
-   :::image type="content" source="./media/quickstart/successful-powershell-deployment.png" alt-text="Screenshot that show that a successful deployment will say Deployment successful at the end of the messages in the console.":::
+   :::image type="content" source="./media/quickstart/successful-powershell-deployment.png" alt-text="Screenshot that show that a successful deployment will say Deployment successful at the end of the messages in the console." lightbox="./media/quickstart/successful-powershell-deployment.png":::
 
 1. Provision your device using the device connection string that you retrieved in the previous section. Replace the placeholder text with your own value.
 
@@ -215,7 +215,7 @@ Follow these steps to deploy your first module from Azure Marketplace.
 
    You should see three modules: **$edgeAgent**, **$edgeHub**, and **SimulatedTemperatureSensor**. If one or more of the modules has **Yes** under **Specified in Deployment** but not under **Reported by Device**, your IoT Edge device is still starting them. Wait a few minutes, and then refresh the page.
 
-   :::image type="content" source="./media/quickstart-linux/view-deployed-modules.png" alt-text="Screenshot that shows the Simulated Temperature Sensor in the list of deployed modules..":::
+   :::image type="content" source="./media/quickstart-linux/view-deployed-modules.png" alt-text="Screenshot that shows the Simulated Temperature Sensor in the list of deployed modules." lightbox="./media/quickstart-linux/view-deployed-modules.png":::
 
 ## View the generated data
 
@@ -238,7 +238,7 @@ The module that you pushed generates sample environment data that you can use fo
    sudo iotedge list
    ```
 
-   :::image type="content" source="./media/quickstart/iotedge-list-screen.png" alt-text="Screenshot that shows where to verify that your temperature sensor, agent, and hub modules are running.":::
+   :::image type="content" source="./media/quickstart/iotedge-list-screen.png" alt-text="Screenshot that shows where to verify that your temperature sensor, agent, and hub modules are running." lightbox="./media/quickstart/iotedge-list-screen.png":::
 
 1. View the messages being sent from the temperature sensor module to the cloud using the following Linux command:
 
@@ -249,7 +249,7 @@ The module that you pushed generates sample environment data that you can use fo
    >[!IMPORTANT]
    >IoT Edge commands are case-sensitive when they refer to module names.
 
-   :::image type="content" source="./media/quickstart/temperature-sensor-screen.png" alt-text="Screenshot that shows the output logs of the Simulated Temperature Sensor module when it's running.":::
+   :::image type="content" source="./media/quickstart/temperature-sensor-screen.png" alt-text="Screenshot that shows the output logs of the Simulated Temperature Sensor module when it's running." lightbox="./media/quickstart/temperature-sensor-screen.png":::
 
 You can also use the [Azure IoT Hub extension for Visual Studio Code](https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.azure-iot-toolkit) to watch messages arrive at your IoT hub.