I'm very certain that by the grammar within his sentence, in which he used "can", states that "you are able to use screenshots/video related to Tanki". Yet again, the term is "can", so you can use any other meme formats that you like to make a "Tanki Online" meme.

context: I got crucified.

Page 3 had the most copied memes XD

It says ur warrant officer three in the image. But you're first sergeant???

I posted it using link. But I think you can right clicking the image and select, "copy image", then go back on the forum reply, right click and select, "paste". I'm not sure if it works though.

Upload it in Facebook or any other Social Media. Right click on your post, select "Open image in new tab." Copy it's URL/link on the top. Or use "https://imgflip.com/memegenerator"