diff --git a/Cargo.lock b/Cargo.lock
index dc04c73647..882400c47d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3521,6 +3521,7 @@ dependencies = [
  "opentelemetry",
  "opentelemetry-otlp",
  "opentelemetry_sdk",
+ "primitives",
  "r2d2_redis",
  "rand 0.8.5",
  "redis_common",
diff --git a/crates/lib/data/primitives/src/bool_to_str.rs b/crates/lib/data/primitives/src/bool_to_str.rs
new file mode 100644
index 0000000000..2bf36c6d83
--- /dev/null
+++ b/crates/lib/data/primitives/src/bool_to_str.rs
@@ -0,0 +1,24 @@
+
+/// Convert a boolean to a lower case string, with values of either "true" or "false".
+pub fn bool_to_str(value: bool) -> &'static str {
+  if value {
+    "true"
+  } else {
+    "false"
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::bool_to_str::bool_to_str;
+
+  #[test]
+  fn test_true() {
+    assert_eq!(bool_to_str(true), "true");
+  }
+
+  #[test]
+  fn test_false() {
+    assert_eq!(bool_to_str(false), "false");
+  }
+}
diff --git a/crates/lib/data/primitives/src/lib.rs b/crates/lib/data/primitives/src/lib.rs
index c2003b13d9..d9b38a254e 100644
--- a/crates/lib/data/primitives/src/lib.rs
+++ b/crates/lib/data/primitives/src/lib.rs
@@ -18,6 +18,7 @@
 #![allow(dead_code)]
 #![allow(non_snake_case)]
 
+pub mod bool_to_str;
 pub mod lazy_any_option_true;
 pub mod str_to_bool;
 pub mod traits;
diff --git a/crates/service/job/inference_job/Cargo.toml b/crates/service/job/inference_job/Cargo.toml
index c8a42c44a3..4149b4337a 100644
--- a/crates/service/job/inference_job/Cargo.toml
+++ b/crates/service/job/inference_job/Cargo.toml
@@ -39,6 +39,7 @@ memory_caching = { path = "../../../lib/caching/memory_caching" }
 migration = { path = "../../../lib/migration" }
 mimetypes = { path = "../../../lib/files/mimetypes" }
 mysql_queries = { path = "../../../lib/mysql_queries" }
+primitives = { path = "../../../lib/data/primitives" }
 redis_common = { path = "../../../lib/redis_common" }
 subprocess_common = { path = "../../../lib/subprocess_common" }
 thumbnail_generator = { path = "../../../lib/api_clients/thumbnail_generator"}
diff --git a/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/command_args.rs b/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/command_args.rs
index 30516a45d2..d4d8a85678 100644
--- a/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/command_args.rs
+++ b/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/command_args.rs
@@ -1,6 +1,7 @@
 use std::path::Path;
 
 use filesys::path_to_string::path_to_string;
+use primitives::bool_to_str::bool_to_str;
 use subprocess_common::command_runner::command_args::CommandArgs;
 
 #[derive(Debug)]
@@ -9,6 +10,7 @@ pub struct LivePortraitCommandArgs<'a> {
   pub driver_file: &'a Path,
   pub tempdir: &'a Path,
   pub output_file: &'a Path,
+  pub input_is_image: bool,
 
   pub stderr_output_file: &'a Path,
   pub stdout_output_file: &'a Path,
@@ -30,6 +32,9 @@ impl CommandArgs for LivePortraitCommandArgs<'_> {
     command.push_str(" --output ");
     command.push_str(&path_to_string(self.output_file));
 
+    command.push_str(" --input-is-image ");
+    command.push_str(bool_to_str(self.input_is_image));
+
     command.push_str(" ");
 
     command
diff --git a/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/process_live_portrait_job.rs b/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/process_live_portrait_job.rs
index 1cb7a78292..9d6f4e0fc4 100644
--- a/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/process_live_portrait_job.rs
+++ b/crates/service/job/inference_job/src/job/job_types/workflow/live_portrait/process_live_portrait_job.rs
@@ -122,7 +122,7 @@ pub async fn process_live_portrait_job(
   let portrait_media_token = job_payload.portrait_media_file_token.ok_or_else(|| anyhow!("no portrait media token"))?;
   let portrait_file_path = work_temp_dir.path().join("portrait.bin");
 
-  download_media_file(DownloadMediaFileArgs {
+  let portrait = download_media_file(DownloadMediaFileArgs {
     mysql_pool: &deps.db.mysql_pool,
     remote_cloud_file_client: &remote_cloud_file_client,
     media_file_token: &portrait_media_token,
@@ -134,13 +134,21 @@ pub async fn process_live_portrait_job(
   let driver_media_token = job_payload.driver_media_file_token.ok_or_else(|| anyhow!("no driver media token"))?;
   let driver_file_path = work_temp_dir.path().join("driver.bin");
 
-  download_media_file(DownloadMediaFileArgs {
+  let driver = download_media_file(DownloadMediaFileArgs {
     mysql_pool: &deps.db.mysql_pool,
     remote_cloud_file_client: &remote_cloud_file_client,
     media_file_token: &driver_media_token,
     download_path: &driver_file_path,
   }).await?;
 
+  let input_is_image = match portrait.media_file.media_type {
+    MediaFileType::Image
+    | MediaFileType::Jpg
+    | MediaFileType::Png
+    | MediaFileType::Gif => true,
+    _ => false,
+  };
+
   // ==================== RUN COMFY INFERENCE ==================== //
 
   info!("Preparing for ComfyUI inference...");
@@ -155,9 +163,6 @@ pub async fn process_live_portrait_job(
 
   info!("Running ComfyUI inference...");
 
-  // TODO TEMP
-  let media_file_token = MediaFileToken::generate();
-
   let command_exit_status = comfy_deps
       .inference_command
       // TODO(bt,2024-07-15): Move this to its own runner. Just hacking this quickly.
@@ -168,6 +173,7 @@ pub async fn process_live_portrait_job(
         output_file: &output_file_path,
         stderr_output_file: &stderr_output_file,
         stdout_output_file: &stdout_output_file,
+        input_is_image,
       });
 
   let inference_duration = Instant::now().duration_since(inference_start_time);