diff --git a/public/help/help.md b/public/help/help.md
index ea38a6bc..1184c98e 100644
--- a/public/help/help.md
+++ b/public/help/help.md
@@ -5,14 +5,14 @@ The Sequence Tube Map is used to generate visualizations of genomic sequence gra
 ##### Selecting Tracks
 The following procedure describes adding and updating settings of custom tracks. You can use a custom track to load your own graph file, haplotype database, or file of aligned reads.
 
-1. From the "Data" dropdown box, select "custom (mounted files)"  
+1. From the "Data" dropdown box, select "custom"
 ![Selecting Custom Files](helpGuideImages/img1.png)  
 2. Select the button that says "Configure Tracks".  
 ![Configure Tracks Button](helpGuideImages/img2.png)
 3. Once the button is clicked on, a popup with a "+" button will be displayed. Click on this button to add tracks.  
 ![Track Add Button](helpGuideImages/img3.png)  
-4. Select a graph, read, or haplotype track from the first dropdown. Make sure to always have at least 1 graph track. Select a data file from the list of files of that type in the second dropdown.  
-![Track Selection](helpGuideImages/img4.png)  
+4. Select whether you want a graph, read, or haplotype track from the first dropdown. Make sure to always have at least 1 graph track. Select a data file from the list of files of that type in the last dropdown. In the default Tube Map configuration, these files come from the `exampleData/` folder on the system where the Tube Map server is running. If you want to upload a file instead of selecting one that's already available, change the middle dropdown to "upload". 
+![Track Selection](helpGuideImages/img4.png)
 5. Click on the settings button, where there are options to color the tracks from an existing color palette, or select any other color.  
 ![Track Settings Button](helpGuideImages/img5.png)  
 7. To delete a track, click on the button with the "x" icon.  
diff --git a/public/help/helpGuideImages/img1.png b/public/help/helpGuideImages/img1.png
index b0d9100c..1c0589a1 100644
Binary files a/public/help/helpGuideImages/img1.png and b/public/help/helpGuideImages/img1.png differ
diff --git a/public/help/helpGuideImages/img2.png b/public/help/helpGuideImages/img2.png
index e3673c78..98ed5d98 100644
Binary files a/public/help/helpGuideImages/img2.png and b/public/help/helpGuideImages/img2.png differ
diff --git a/public/help/helpGuideImages/img4.png b/public/help/helpGuideImages/img4.png
index f8f30fe9..69ca6c3c 100644
Binary files a/public/help/helpGuideImages/img4.png and b/public/help/helpGuideImages/img4.png differ
diff --git a/public/help/helpGuideImages/img5.png b/public/help/helpGuideImages/img5.png
index 161fcf17..75013fa1 100644
Binary files a/public/help/helpGuideImages/img5.png and b/public/help/helpGuideImages/img5.png differ
diff --git a/public/help/helpGuideImages/img6.png b/public/help/helpGuideImages/img6.png
index c7d442f2..6782211b 100644
Binary files a/public/help/helpGuideImages/img6.png and b/public/help/helpGuideImages/img6.png differ
diff --git a/public/help/helpGuideImages/img7.png b/public/help/helpGuideImages/img7.png
index 2ad07a05..4758928a 100644
Binary files a/public/help/helpGuideImages/img7.png and b/public/help/helpGuideImages/img7.png differ
diff --git a/public/help/helpGuideImages/img8.png b/public/help/helpGuideImages/img8.png
index a6161715..f3bc353e 100644
Binary files a/public/help/helpGuideImages/img8.png and b/public/help/helpGuideImages/img8.png differ
diff --git a/public/help/helpGuideImages/img9.png b/public/help/helpGuideImages/img9.png
index d3d83baf..faf28284 100644
Binary files a/public/help/helpGuideImages/img9.png and b/public/help/helpGuideImages/img9.png differ
diff --git a/src/components/TrackListItem.js b/src/components/TrackListItem.js
index f6d76b53..10b12cf1 100644
--- a/src/components/TrackListItem.js
+++ b/src/components/TrackListItem.js
@@ -83,7 +83,7 @@ export const TrackListItem = ({
       style={{ width: "900px", marginLeft: 0, marginRight: 15 }}
     >
       <Row className="g-0">
-        <Col className="tracklist-dropdown">
+        <Col sm="2" className="tracklist-dropdown type">
           <TrackTypeDropdown
             value={propChanges["trackType"] || trackProps["trackType"]}
             onChange={trackTypeOnChange}
@@ -91,7 +91,7 @@ export const TrackListItem = ({
             options={["graph", "haplotype", "read"]}
           />
         </Col>
-        <Col className="tracklist-dropdown">
+        <Col sm="2" className="tracklist-dropdown source">
           <TrackTypeDropdown
             value={pickerType}
             onChange={setPickerType}