You can store the images in a global array... so something like this:

1. PImage[] images;
2. 
   
3. void setup() {
4.   size(400, 400);
5.  
   
6.   images = new PImage[255];
7.   for(int i = 0; i < images.length; i ++) {
8.     images[i] = loadImage(i + ".jpg");
   
9.   }
   
10. }
    

Hi,

You need to load them into a array. Once they are loaded into the array, you simply say : get image X from the array.

Sample (not sure if this works):

1. int numFrames = 250; // The number of animation frames
2. PImage[] images = new PImage[numFrames]; // Image array
3. void setup() {
4.   size(500, 500);
5.   frameRate(1); 
6.   for (int i = 0; i < images.length; i++) {
7.     // Construct the name of the image to load
8.     String imageName = "imagefilename" + nf(i, 2) + ".jpg";
9.     //println(imageName);
10.     images[i] = loadImage(imageName);
11.   }
12. }
13. void draw() { 
14.   int frame = frameCount % numFrames;
15.   image(images[frame], 0, 0);
16. }