Do any experts know what this calligraphy and painting is written with? What do these seals mean? Please enlighten me!

Let's talk about the content of calligraphy first: wear coarse clothes, eat home-cooked meals and be honest. Signature: Chang 'an An Deyu.

Figure 2 Seal: An Deyu.

Figure 3 Seal: Chisel? Anyone here? The layout of the characters is so distorted that it is difficult to confirm at the moment. Suspected stone figures.

Figure 3 Seal: There is nowhere to escape.