Update README.md

-# Flutter Modal BottomSheet
+# Flutter Modal Bottom Sheet
 
 Create awesome and powerful modal bottom sheets 
 
+<img align="left"  height="300" src="https://github.com/jamesblasco/modal_bottom_sheet/blob/master/screenshots/cupertino_shared_view.gif">
+<img align="left"  height="300" src="https://github.com/jamesblasco/modal_bottom_sheet/blob/master/screenshots/modal_inside_modal.gif">
+<img align="left"  height="300" src="https://github.com/jamesblasco/modal_bottom_sheet/blob/master/screenshots/material_fit.png">
+<img height="300" src="https://github.com/jamesblasco/modal_bottom_sheet/blob/master/screenshots/bar_modal.png">
+
+
 ## Material Modal BottomSheet
 
 `showMaterialModalBottomSheet` 
@@ -12,14 +18,14 @@ Improved showModalBottomSheet that support scroll and drag at the same time.
 
 iOS 13 came with an amazing new modal navigation and now it is available to use with Flutter.
 
-###OPTION 1. Recommended.
+### OPTION 1. Recommended.
 1. use `showCupertinoModalBottomSheet` 
 2. `MaterialPageRoute` does not allow animated translation for routes that are not `MaterialPageRoute` or `CupertinoPageRoute`.
 For this we created `MaterialWithModalsPageRoute` that needs to replace the route you are using now. 
 Notice this route type works the same as `MaterialPageRoute` and will support custom `PageTransitionsTheme`.
 
 
-###OPTION 2. 
+### OPTION 2. 
 1. Wrap previous page inside a `CupertinoScaffold`. 
 2. Call `CupertinoScaffold.showCupertinoModalBottomSheet(context:context, builder: ...)`
 
@@ -39,8 +45,11 @@ Try `showBarModalBottomSheet` for a bottomSheet with the appearance used by Face
 Check in the example project `showAvatarModalBottomSheet` for how to create your own ModalBottomSheet
 
 ## Roadmap
-[ ] Support closing by dragging fast on a modal with a scroll view.
-[ ] Improve animation curves when user is not dragging.
-[ ] Allow to set the initial size of the bottom sheet
-[ ] Support hero animations
-        
\ No newline at end of file
+- [ ] Support closing by dragging fast on a modal with a scroll view.
+
+- [ ] Improve animation curves when user is not dragging.
+
+- [ ] Allow to set the initial size of the bottom sheet
+
+- [ ] Support hero animations
+