Fixing links

Author: mgralinski-bright

blog/introduction.md

@@ -19,7 +19,7 @@ From the high-level point of view, the concept defines:
 
 <center>
 
-![alt zk-snark concept!](https://i.imgur.com/8H5rSW2.png "Concept diagram")
+![alt zk-snark concept!](https://github.com/bright/zk-snarks-with-substrate/blob/M1/blog/img/concept_diagram.png "Concept diagram")
 
 </center>
 

pallets/zk-snarks/README.md

@@ -25,31 +25,31 @@ Then navigate to `Extrinsics` panel (*Developer -> Extrinsics*).
 
 <center>
 
-![Extrinsics](https:///https://github.com/bright/zk-snarks-with-substrate/pallets/zk-snarks/sample/panel.png)
+![Extrinsics](https://github.com/bright/zk-snarks-with-substrate/blob/M1/pallets/zk-snarks/sample/panel.png)
 
 </center> 
 
 In the field `submit the following extrinsic`, please select `zkSnarks`. Fill in the fields as shown in the image below. Data for `vecKey` can be found under `pallets/zk-snarks/sample/vk.json`.
 
 <center>
 
-![Setup Verification](https:///https://github.com/bright/zk-snarks-with-substrate/pallets/zk-snarks/sample/vk.png)
+![Setup Verification](https://github.com/bright/zk-snarks-with-substrate/blob/M1/pallets/zk-snarks/sample/vk.png)
 
 </center> 
 
 To upload data on blockchain, please press the `Submit Transaction`. Next, we will switch to the second extrinsic `verify` and we will upload a `pallets/zk-snarks/sample/proof.json` file.
 
 <center>
 
-![Verify](https:///https://github.com/bright/zk-snarks-with-substrate/pallets/zk-snarks/sample/proof.png)
+![Verify](https://github.com/bright/zk-snarks-with-substrate/blob/M1/pallets/zk-snarks/sample/proof.png)
 
 </center> 
 
 Finally, we should get the result:
 
 <center>
 
-![Result](https:///https://github.com/bright/zk-snarks-with-substrate/pallets/zk-snarks/sample/result.png)
+![Result](https://github.com/bright/zk-snarks-with-substrate/blob/M1/pallets/zk-snarks/sample/result.png)
 
 </center>