# Custom Header Image

Add a custom header image to make your Zigpoll survey a seamless part of your brand.

#### Step #1: Go to Your Design Settings

* To change the header for **all surveys**: Log in to Zigpoll and click the **Display** tab in your account settings.
* To change the header for **a specific survey**: Go to **Surveys → Select your survey → Click the Design tab**.

#### Step #2: Upload Your Image

1. Under **Image**, upload the image you want to use for your header background. You can drag and drop it, or click the box to open a file upload window.
2. Click **Save Changes** to push your changes live.

Your header image will be automatically cropped into a rectangle and optimized.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.zigpoll.com/tutorials/custom-header-image.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.