It's pretty easy actually.
Step 1: Go to Intagme.
Step 2: Fill in your username.
Step 3: Customization. Choose your thumbnail size, with or without photo border, background colour and widget type: Slide show or Grid.
Step 4: Click on "Preview" to check out your widget.
Step 5: Once you're happy with your widget, select "get code".
How to add Widget in Blogger / Blogspot
You will have to copy and paste the HTML codes and paste it in your desired location on your blog. For Blogger, you can open your dashboard > Layout > Add a Widget > HTML/Java > paste the code > click save > rearrange the box place where you want it to be > click Save Arrangement.
You will have to copy and paste the HTML codes and paste it in your desired location on your blog. For Blogger, you can open your dashboard > Layout > Add a Widget > HTML/Java > paste the code > click save > rearrange the box place where you want it to be > click Save Arrangement.